65726960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63199}}^1$

素因数の和:63225

約数の個数: 40

約数和(自身を含む): 164572800

約数和(自身を除く): 98845840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63199, 126398, 252796, 315995, 505592, 631990, 821587, 1011184, 1263980, 1643174, 2527960, 3286348, 4107935, 5055920, 6572696, 8215870, 13145392, 16431740, 32863480, 65726960]

約数ペア:

[(1, 65726960), (2, 32863480), (4, 16431740), (5, 13145392), (8, 8215870), (10, 6572696), (13, 5055920), (16, 4107935), (20, 3286348), (26, 2527960), (40, 1643174), (52, 1263980), (65, 1011184), (80, 821587), (104, 631990), (130, 505592), (208, 315995), (260, 252796), (520, 126398), (1040, 63199)]