12391820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{88513}}^1$

素因数の和:88529

約数の個数: 24

約数和(自身を含む): 29740704

約数和(自身を除く): 17348884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 88513, 177026, 354052, 442565, 619591, 885130, 1239182, 1770260, 2478364, 3097955, 6195910, 12391820]

約数ペア:

[(1, 12391820), (2, 6195910), (4, 3097955), (5, 2478364), (7, 1770260), (10, 1239182), (14, 885130), (20, 619591), (28, 442565), (35, 354052), (70, 177026), (140, 88513)]