10180400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 60

約数和(自身を含む): 25278144

約数和(自身を除く): 15097744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 821, 1240, 1550, 1642, 2480, 3100, 3284, 4105, 6200, 6568, 8210, 12400, 13136, 16420, 20525, 25451, 32840, 41050, 50902, 65680, 82100, 101804, 127255, 164200, 203608, 254510, 328400, 407216, 509020, 636275, 1018040, 1272550, 2036080, 2545100, 5090200, 10180400]

約数ペア:

[(1, 10180400), (2, 5090200), (4, 2545100), (5, 2036080), (8, 1272550), (10, 1018040), (16, 636275), (20, 509020), (25, 407216), (31, 328400), (40, 254510), (50, 203608), (62, 164200), (80, 127255), (100, 101804), (124, 82100), (155, 65680), (200, 50902), (248, 41050), (310, 32840), (400, 25451), (496, 20525), (620, 16420), (775, 13136), (821, 12400), (1240, 8210), (1550, 6568), (1642, 6200), (2480, 4105), (3100, 3284)]