13039840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 34836480

約数和(自身を除く): 21796640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 239, 248, 310, 341, 352, 440, 478, 496, 620, 682, 880, 956, 992, 1195, 1240, 1364, 1705, 1760, 1912, 2390, 2480, 2629, 2728, 3410, 3824, 4780, 4960, 5258, 5456, 6820, 7409, 7648, 9560, 10516, 10912, 13145, 13640, 14818, 19120, 21032, 26290, 27280, 29636, 37045, 38240, 42064, 52580, 54560, 59272, 74090, 81499, 84128, 105160, 118544, 148180, 162998, 210320, 237088, 296360, 325996, 407495, 420640, 592720, 651992, 814990, 1185440, 1303984, 1629980, 2607968, 3259960, 6519920, 13039840]

約数ペア:

[(1, 13039840), (2, 6519920), (4, 3259960), (5, 2607968), (8, 1629980), (10, 1303984), (11, 1185440), (16, 814990), (20, 651992), (22, 592720), (31, 420640), (32, 407495), (40, 325996), (44, 296360), (55, 237088), (62, 210320), (80, 162998), (88, 148180), (110, 118544), (124, 105160), (155, 84128), (160, 81499), (176, 74090), (220, 59272), (239, 54560), (248, 52580), (310, 42064), (341, 38240), (352, 37045), (440, 29636), (478, 27280), (496, 26290), (620, 21032), (682, 19120), (880, 14818), (956, 13640), (992, 13145), (1195, 10912), (1240, 10516), (1364, 9560), (1705, 7648), (1760, 7409), (1912, 6820), (2390, 5456), (2480, 5258), (2629, 4960), (2728, 4780), (3410, 3824)]