51620080

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2381}}^1$

素因数の和:2665

約数の個数: 40

約数和(自身を含む): 120510144

約数和(自身を除く): 68890064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2381, 2710, 4336, 4762, 5420, 9524, 10840, 11905, 19048, 21680, 23810, 38096, 47620, 95240, 190480, 645251, 1290502, 2581004, 3226255, 5162008, 6452510, 10324016, 12905020, 25810040, 51620080]

約数ペア:

[(1, 51620080), (2, 25810040), (4, 12905020), (5, 10324016), (8, 6452510), (10, 5162008), (16, 3226255), (20, 2581004), (40, 1290502), (80, 645251), (271, 190480), (542, 95240), (1084, 47620), (1355, 38096), (2168, 23810), (2381, 21680), (2710, 19048), (4336, 11905), (4762, 10840), (5420, 9524)]