64538980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26669}}^1$

素因数の和:26700

約数の個数: 36

約数和(自身を含む): 148978620

約数和(自身を除く): 84439640

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 26669, 53338, 106676, 133345, 266690, 293359, 533380, 586718, 1173436, 1466795, 2933590, 3226949, 5867180, 6453898, 12907796, 16134745, 32269490, 64538980]

約数ペア:

[(1, 64538980), (2, 32269490), (4, 16134745), (5, 12907796), (10, 6453898), (11, 5867180), (20, 3226949), (22, 2933590), (44, 1466795), (55, 1173436), (110, 586718), (121, 533380), (220, 293359), (242, 266690), (484, 133345), (605, 106676), (1210, 53338), (2420, 26669)]