64045060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{74471}}^1$

素因数の和:74523

約数の個数: 24

約数和(自身を含む): 137624256

約数和(自身を除く): 73579196

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 74471, 148942, 297884, 372355, 744710, 1489420, 3202253, 6404506, 12809012, 16011265, 32022530, 64045060]

約数ペア:

[(1, 64045060), (2, 32022530), (4, 16011265), (5, 12809012), (10, 6404506), (20, 3202253), (43, 1489420), (86, 744710), (172, 372355), (215, 297884), (430, 148942), (860, 74471)]