64893020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 141845088

約数和(自身を除く): 76952068

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 860, 1220, 1237, 2474, 2623, 4948, 5246, 6185, 10492, 12370, 13115, 24740, 26230, 52460, 53191, 75457, 106382, 150914, 212764, 265955, 301828, 377285, 531910, 754570, 1063820, 1509140, 3244651, 6489302, 12978604, 16223255, 32446510, 64893020]

約数ペア:

[(1, 64893020), (2, 32446510), (4, 16223255), (5, 12978604), (10, 6489302), (20, 3244651), (43, 1509140), (61, 1063820), (86, 754570), (122, 531910), (172, 377285), (215, 301828), (244, 265955), (305, 212764), (430, 150914), (610, 106382), (860, 75457), (1220, 53191), (1237, 52460), (2474, 26230), (2623, 24740), (4948, 13115), (5246, 12370), (6185, 10492)]