15694720420

素因数分解:

$2^2\times 5^1\times {\mathrm{5261}}^1\times {\mathrm{149161}}^1$

素因数の和:154431

約数の個数: 24

約数和(自身を含む): 32965398648

約数和(自身を除く): 17270678228

約数列:

[1, 2, 4, 5, 10, 20, 5261, 10522, 21044, 26305, 52610, 105220, 149161, 298322, 596644, 745805, 1491610, 2983220, 784736021, 1569472042, 3138944084, 3923680105, 7847360210, 15694720420]

約数ペア:

[(1, 15694720420), (2, 7847360210), (4, 3923680105), (5, 3138944084), (10, 1569472042), (20, 784736021), (5261, 2983220), (10522, 1491610), (21044, 745805), (26305, 596644), (52610, 298322), (105220, 149161)]