12378980

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4099}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 26174400

約数和(自身を除く): 13795420

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 4099, 8198, 16396, 20495, 40990, 81980, 618949, 1237898, 2475796, 3094745, 6189490, 12378980]

約数ペア:

[(1, 12378980), (2, 6189490), (4, 3094745), (5, 2475796), (10, 1237898), (20, 618949), (151, 81980), (302, 40990), (604, 20495), (755, 16396), (1510, 8198), (3020, 4099)]