26863120

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 62685720

約数和(自身を除く): 35822600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 821, 1636, 1642, 2045, 3272, 3284, 4090, 4105, 6544, 6568, 8180, 8210, 13136, 16360, 16420, 32720, 32840, 65680, 335789, 671578, 1343156, 1678945, 2686312, 3357890, 5372624, 6715780, 13431560, 26863120]

約数ペア:

[(1, 26863120), (2, 13431560), (4, 6715780), (5, 5372624), (8, 3357890), (10, 2686312), (16, 1678945), (20, 1343156), (40, 671578), (80, 335789), (409, 65680), (818, 32840), (821, 32720), (1636, 16420), (1642, 16360), (2045, 13136), (3272, 8210), (3284, 8180), (4090, 6568), (4105, 6544)]