129646940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{39769}}^1$

素因数の和:39941

約数の個数: 24

約数和(自身を含む): 273935760

約数和(自身を除く): 144288820

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 39769, 79538, 159076, 198845, 397690, 795380, 6482347, 12964694, 25929388, 32411735, 64823470, 129646940]

約数ペア:

[(1, 129646940), (2, 64823470), (4, 32411735), (5, 25929388), (10, 12964694), (20, 6482347), (163, 795380), (326, 397690), (652, 198845), (815, 159076), (1630, 79538), (3260, 39769)]