65474960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13417}}^1$

素因数の和:13491

約数の個数: 40

約数和(自身を含む): 154736376

約数和(自身を除く): 89261416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13417, 26834, 53668, 67085, 107336, 134170, 214672, 268340, 536680, 818437, 1073360, 1636874, 3273748, 4092185, 6547496, 8184370, 13094992, 16368740, 32737480, 65474960]

約数ペア:

[(1, 65474960), (2, 32737480), (4, 16368740), (5, 13094992), (8, 8184370), (10, 6547496), (16, 4092185), (20, 3273748), (40, 1636874), (61, 1073360), (80, 818437), (122, 536680), (244, 268340), (305, 214672), (488, 134170), (610, 107336), (976, 67085), (1220, 53668), (2440, 26834), (4880, 13417)]