67663280

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3121}}^1$

素因数の和:3405

約数の個数: 40

約数和(自身を含む): 157948224

約数和(自身を除く): 90284944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 3121, 4336, 5420, 6242, 10840, 12484, 15605, 21680, 24968, 31210, 49936, 62420, 124840, 249680, 845791, 1691582, 3383164, 4228955, 6766328, 8457910, 13532656, 16915820, 33831640, 67663280]

約数ペア:

[(1, 67663280), (2, 33831640), (4, 16915820), (5, 13532656), (8, 8457910), (10, 6766328), (16, 4228955), (20, 3383164), (40, 1691582), (80, 845791), (271, 249680), (542, 124840), (1084, 62420), (1355, 49936), (2168, 31210), (2710, 24968), (3121, 21680), (4336, 15605), (5420, 12484), (6242, 10840)]