87719840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 225375696

約数和(自身を除く): 137655856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 181, 208, 233, 260, 362, 416, 466, 520, 724, 905, 932, 1040, 1165, 1448, 1810, 1864, 2080, 2330, 2353, 2896, 3029, 3620, 3728, 4660, 4706, 5792, 6058, 7240, 7456, 9320, 9412, 11765, 12116, 14480, 15145, 18640, 18824, 23530, 24232, 28960, 30290, 37280, 37648, 42173, 47060, 48464, 60580, 75296, 84346, 94120, 96928, 121160, 168692, 188240, 210865, 242320, 337384, 376480, 421730, 484640, 548249, 674768, 843460, 1096498, 1349536, 1686920, 2192996, 2741245, 3373840, 4385992, 5482490, 6747680, 8771984, 10964980, 17543968, 21929960, 43859920, 87719840]

約数ペア:

[(1, 87719840), (2, 43859920), (4, 21929960), (5, 17543968), (8, 10964980), (10, 8771984), (13, 6747680), (16, 5482490), (20, 4385992), (26, 3373840), (32, 2741245), (40, 2192996), (52, 1686920), (65, 1349536), (80, 1096498), (104, 843460), (130, 674768), (160, 548249), (181, 484640), (208, 421730), (233, 376480), (260, 337384), (362, 242320), (416, 210865), (466, 188240), (520, 168692), (724, 121160), (905, 96928), (932, 94120), (1040, 84346), (1165, 75296), (1448, 60580), (1810, 48464), (1864, 47060), (2080, 42173), (2330, 37648), (2353, 37280), (2896, 30290), (3029, 28960), (3620, 24232), (3728, 23530), (4660, 18824), (4706, 18640), (5792, 15145), (6058, 14480), (7240, 12116), (7456, 11765), (9320, 9412)]