64304780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3251}}^1$

素因数の和:3326

約数の個数: 48

約数和(自身を含む): 144232704

約数和(自身を除く): 79927924

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3251, 3956, 4945, 6502, 9890, 13004, 16255, 19780, 32510, 65020, 74773, 139793, 149546, 279586, 299092, 373865, 559172, 698965, 747730, 1397930, 1495460, 2795860, 3215239, 6430478, 12860956, 16076195, 32152390, 64304780]

約数ペア:

[(1, 64304780), (2, 32152390), (4, 16076195), (5, 12860956), (10, 6430478), (20, 3215239), (23, 2795860), (43, 1495460), (46, 1397930), (86, 747730), (92, 698965), (115, 559172), (172, 373865), (215, 299092), (230, 279586), (430, 149546), (460, 139793), (860, 74773), (989, 65020), (1978, 32510), (3251, 19780), (3956, 16255), (4945, 13004), (6502, 9890)]