66078860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54163}}^1$

素因数の和:54233

約数の個数: 24

約数和(自身を含む): 141043056

約数和(自身を除く): 74964196

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 54163, 108326, 216652, 270815, 541630, 1083260, 3303943, 6607886, 13215772, 16519715, 33039430, 66078860]

約数ペア:

[(1, 66078860), (2, 33039430), (4, 16519715), (5, 13215772), (10, 6607886), (20, 3303943), (61, 1083260), (122, 541630), (244, 270815), (305, 216652), (610, 108326), (1220, 54163)]