68617720

素因数分解:

$2^3\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1823}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 154638720

約数和(自身を除く): 86021000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 941, 1823, 1882, 3646, 3764, 4705, 7292, 7528, 9115, 9410, 14584, 18230, 18820, 36460, 37640, 72920, 1715443, 3430886, 6861772, 8577215, 13723544, 17154430, 34308860, 68617720]

約数ペア:

[(1, 68617720), (2, 34308860), (4, 17154430), (5, 13723544), (8, 8577215), (10, 6861772), (20, 3430886), (40, 1715443), (941, 72920), (1823, 37640), (1882, 36460), (3646, 18820), (3764, 18230), (4705, 14584), (7292, 9410), (7528, 9115)]