65668720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 165739392

約数和(自身を除く): 100070672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 233, 260, 271, 466, 520, 542, 932, 1040, 1084, 1165, 1355, 1864, 2168, 2330, 2710, 3029, 3523, 3728, 4336, 4660, 5420, 6058, 7046, 9320, 10840, 12116, 14092, 15145, 17615, 18640, 21680, 24232, 28184, 30290, 35230, 48464, 56368, 60580, 63143, 70460, 121160, 126286, 140920, 242320, 252572, 281840, 315715, 505144, 631430, 820859, 1010288, 1262860, 1641718, 2525720, 3283436, 4104295, 5051440, 6566872, 8208590, 13133744, 16417180, 32834360, 65668720]

約数ペア:

[(1, 65668720), (2, 32834360), (4, 16417180), (5, 13133744), (8, 8208590), (10, 6566872), (13, 5051440), (16, 4104295), (20, 3283436), (26, 2525720), (40, 1641718), (52, 1262860), (65, 1010288), (80, 820859), (104, 631430), (130, 505144), (208, 315715), (233, 281840), (260, 252572), (271, 242320), (466, 140920), (520, 126286), (542, 121160), (932, 70460), (1040, 63143), (1084, 60580), (1165, 56368), (1355, 48464), (1864, 35230), (2168, 30290), (2330, 28184), (2710, 24232), (3029, 21680), (3523, 18640), (3728, 17615), (4336, 15145), (4660, 14092), (5420, 12116), (6058, 10840), (7046, 9320)]