64628720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62143}}^1$

素因数の和:62169

約数の個数: 40

約数和(自身を含む): 161822976

約数和(自身を除く): 97194256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62143, 124286, 248572, 310715, 497144, 621430, 807859, 994288, 1242860, 1615718, 2485720, 3231436, 4039295, 4971440, 6462872, 8078590, 12925744, 16157180, 32314360, 64628720]

約数ペア:

[(1, 64628720), (2, 32314360), (4, 16157180), (5, 12925744), (8, 8078590), (10, 6462872), (13, 4971440), (16, 4039295), (20, 3231436), (26, 2485720), (40, 1615718), (52, 1242860), (65, 994288), (80, 807859), (104, 621430), (130, 497144), (208, 310715), (260, 248572), (520, 124286), (1040, 62143)]