28920804016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{44809}}^1$

素因数の和:44966

約数の個数: 80

約数和(自身を含む): 63010029600

約数和(自身を除く): 34089225584

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 107, 116, 208, 214, 232, 377, 428, 464, 754, 856, 1391, 1508, 1712, 2782, 3016, 3103, 5564, 6032, 6206, 11128, 12412, 22256, 24824, 40339, 44809, 49648, 80678, 89618, 161356, 179236, 322712, 358472, 582517, 645424, 716944, 1165034, 1299461, 2330068, 2598922, 4660136, 4794563, 5197844, 9320272, 9589126, 10395688, 16892993, 19178252, 20791376, 33785986, 38356504, 62329319, 67571972, 76713008, 124658638, 135143944, 139042327, 249317276, 270287888, 278084654, 498634552, 556169308, 997269104, 1112338616, 1807550251, 2224677232, 3615100502, 7230201004, 14460402008, 28920804016]

約数ペア:

[(1, 28920804016), (2, 14460402008), (4, 7230201004), (8, 3615100502), (13, 2224677232), (16, 1807550251), (26, 1112338616), (29, 997269104), (52, 556169308), (58, 498634552), (104, 278084654), (107, 270287888), (116, 249317276), (208, 139042327), (214, 135143944), (232, 124658638), (377, 76713008), (428, 67571972), (464, 62329319), (754, 38356504), (856, 33785986), (1391, 20791376), (1508, 19178252), (1712, 16892993), (2782, 10395688), (3016, 9589126), (3103, 9320272), (5564, 5197844), (6032, 4794563), (6206, 4660136), (11128, 2598922), (12412, 2330068), (22256, 1299461), (24824, 1165034), (40339, 716944), (44809, 645424), (49648, 582517), (80678, 358472), (89618, 322712), (161356, 179236)]