64487720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146563}}^1$

素因数の和:146585

約数の個数: 32

約数和(自身を含む): 158289120

約数和(自身を除く): 93801400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 146563, 293126, 586252, 732815, 1172504, 1465630, 1612193, 2931260, 3224386, 5862520, 6448772, 8060965, 12897544, 16121930, 32243860, 64487720]

約数ペア:

[(1, 64487720), (2, 32243860), (4, 16121930), (5, 12897544), (8, 8060965), (10, 6448772), (11, 5862520), (20, 3224386), (22, 2931260), (40, 1612193), (44, 1465630), (55, 1172504), (88, 732815), (110, 586252), (220, 293126), (440, 146563)]