80566720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 112

約数和(自身を含む): 209690208

約数和(自身を除く): 129123488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 130, 160, 181, 208, 214, 260, 320, 362, 416, 428, 520, 535, 724, 832, 856, 905, 1040, 1070, 1391, 1448, 1712, 1810, 2080, 2140, 2353, 2782, 2896, 3424, 3620, 4160, 4280, 4706, 5564, 5792, 6848, 6955, 7240, 8560, 9412, 11128, 11584, 11765, 13910, 14480, 17120, 18824, 19367, 22256, 23530, 27820, 28960, 34240, 37648, 38734, 44512, 47060, 55640, 57920, 75296, 77468, 89024, 94120, 96835, 111280, 150592, 154936, 188240, 193670, 222560, 251771, 309872, 376480, 387340, 445120, 503542, 619744, 752960, 774680, 1007084, 1239488, 1258855, 1549360, 2014168, 2517710, 3098720, 4028336, 5035420, 6197440, 8056672, 10070840, 16113344, 20141680, 40283360, 80566720]

約数ペア:

[(1, 80566720), (2, 40283360), (4, 20141680), (5, 16113344), (8, 10070840), (10, 8056672), (13, 6197440), (16, 5035420), (20, 4028336), (26, 3098720), (32, 2517710), (40, 2014168), (52, 1549360), (64, 1258855), (65, 1239488), (80, 1007084), (104, 774680), (107, 752960), (130, 619744), (160, 503542), (181, 445120), (208, 387340), (214, 376480), (260, 309872), (320, 251771), (362, 222560), (416, 193670), (428, 188240), (520, 154936), (535, 150592), (724, 111280), (832, 96835), (856, 94120), (905, 89024), (1040, 77468), (1070, 75296), (1391, 57920), (1448, 55640), (1712, 47060), (1810, 44512), (2080, 38734), (2140, 37648), (2353, 34240), (2782, 28960), (2896, 27820), (3424, 23530), (3620, 22256), (4160, 19367), (4280, 18824), (4706, 17120), (5564, 14480), (5792, 13910), (6848, 11765), (6955, 11584), (7240, 11128), (8560, 9412)]