40708900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9929}}^1$

素因数の和:9984

約数の個数: 36

約数和(自身を含む): 90502020

約数和(自身を除く): 49793120

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 9929, 19858, 39716, 49645, 99290, 198580, 248225, 407089, 496450, 814178, 992900, 1628356, 2035445, 4070890, 8141780, 10177225, 20354450, 40708900]

約数ペア:

[(1, 40708900), (2, 20354450), (4, 10177225), (5, 8141780), (10, 4070890), (20, 2035445), (25, 1628356), (41, 992900), (50, 814178), (82, 496450), (100, 407089), (164, 248225), (205, 198580), (410, 99290), (820, 49645), (1025, 39716), (2050, 19858), (4100, 9929)]