25352080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1328

約数の個数: 80

約数和(自身を含む): 66870720

約数和(自身を除く): 41518640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1283, 1520, 1976, 2470, 2566, 3952, 4940, 5132, 6415, 9880, 10264, 12830, 16679, 19760, 20528, 24377, 25660, 33358, 48754, 51320, 66716, 83395, 97508, 102640, 121885, 133432, 166790, 195016, 243770, 266864, 316901, 333580, 390032, 487540, 633802, 667160, 975080, 1267604, 1334320, 1584505, 1950160, 2535208, 3169010, 5070416, 6338020, 12676040, 25352080]

約数ペア:

[(1, 25352080), (2, 12676040), (4, 6338020), (5, 5070416), (8, 3169010), (10, 2535208), (13, 1950160), (16, 1584505), (19, 1334320), (20, 1267604), (26, 975080), (38, 667160), (40, 633802), (52, 487540), (65, 390032), (76, 333580), (80, 316901), (95, 266864), (104, 243770), (130, 195016), (152, 166790), (190, 133432), (208, 121885), (247, 102640), (260, 97508), (304, 83395), (380, 66716), (494, 51320), (520, 48754), (760, 33358), (988, 25660), (1040, 24377), (1235, 20528), (1283, 19760), (1520, 16679), (1976, 12830), (2470, 10264), (2566, 9880), (3952, 6415), (4940, 5132)]