20140981120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{2371}}^1$

素因数の和:3424

約数の個数: 128

約数和(自身を含む): 51926021280

約数和(自身を除く): 31785040160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1021, 1040, 1664, 2042, 2080, 2371, 4084, 4160, 4742, 5105, 8168, 8320, 9484, 10210, 11855, 13273, 16336, 18968, 20420, 23710, 26546, 30823, 32672, 37936, 40840, 47420, 53092, 61646, 65344, 66365, 75872, 81680, 94840, 106184, 123292, 130688, 132730, 151744, 154115, 163360, 189680, 212368, 246584, 265460, 303488, 308230, 326720, 379360, 424736, 493168, 530920, 616460, 653440, 758720, 849472, 986336, 1061840, 1232920, 1517440, 1698944, 1972672, 2123680, 2420791, 2465840, 3945344, 4247360, 4841582, 4931680, 8494720, 9683164, 9863360, 12103955, 19366328, 19726720, 24207910, 31470283, 38732656, 48415820, 62940566, 77465312, 96831640, 125881132, 154930624, 157351415, 193663280, 251762264, 309861248, 314702830, 387326560, 503524528, 629405660, 774653120, 1007049056, 1258811320, 1549306240, 2014098112, 2517622640, 4028196224, 5035245280, 10070490560, 20140981120]

約数ペア:

[(1, 20140981120), (2, 10070490560), (4, 5035245280), (5, 4028196224), (8, 2517622640), (10, 2014098112), (13, 1549306240), (16, 1258811320), (20, 1007049056), (26, 774653120), (32, 629405660), (40, 503524528), (52, 387326560), (64, 314702830), (65, 309861248), (80, 251762264), (104, 193663280), (128, 157351415), (130, 154930624), (160, 125881132), (208, 96831640), (260, 77465312), (320, 62940566), (416, 48415820), (520, 38732656), (640, 31470283), (832, 24207910), (1021, 19726720), (1040, 19366328), (1664, 12103955), (2042, 9863360), (2080, 9683164), (2371, 8494720), (4084, 4931680), (4160, 4841582), (4742, 4247360), (5105, 3945344), (8168, 2465840), (8320, 2420791), (9484, 2123680), (10210, 1972672), (11855, 1698944), (13273, 1517440), (16336, 1232920), (18968, 1061840), (20420, 986336), (23710, 849472), (26546, 758720), (30823, 653440), (32672, 616460), (37936, 530920), (40840, 493168), (47420, 424736), (53092, 379360), (61646, 326720), (65344, 308230), (66365, 303488), (75872, 265460), (81680, 246584), (94840, 212368), (106184, 189680), (123292, 163360), (130688, 154115), (132730, 151744)]