64173560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13259}}^1$

素因数の和:13292

約数の個数: 48

約数和(自身を含む): 158722200

約数和(自身を除く): 94548640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13259, 26518, 53036, 66295, 106072, 132590, 145849, 265180, 291698, 530360, 583396, 729245, 1166792, 1458490, 1604339, 2916980, 3208678, 5833960, 6417356, 8021695, 12834712, 16043390, 32086780, 64173560]

約数ペア:

[(1, 64173560), (2, 32086780), (4, 16043390), (5, 12834712), (8, 8021695), (10, 6417356), (11, 5833960), (20, 3208678), (22, 2916980), (40, 1604339), (44, 1458490), (55, 1166792), (88, 729245), (110, 583396), (121, 530360), (220, 291698), (242, 265180), (440, 145849), (484, 132590), (605, 106072), (968, 66295), (1210, 53036), (2420, 26518), (4840, 13259)]