68081320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41513}}^1$

素因数の和:41565

約数の個数: 32

約数和(自身を含む): 156922920

約数和(自身を除く): 88841600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41513, 83026, 166052, 207565, 332104, 415130, 830260, 1660520, 1702033, 3404066, 6808132, 8510165, 13616264, 17020330, 34040660, 68081320]

約数ペア:

[(1, 68081320), (2, 34040660), (4, 17020330), (5, 13616264), (8, 8510165), (10, 6808132), (20, 3404066), (40, 1702033), (41, 1660520), (82, 830260), (164, 415130), (205, 332104), (328, 207565), (410, 166052), (820, 83026), (1640, 41513)]