12669680

素因数分解:

$2^4\times 5^1\times {\mathrm{158371}}^1$

素因数の和:158384

約数の個数: 20

約数和(自身を含む): 29457192

約数和(自身を除く): 16787512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158371, 316742, 633484, 791855, 1266968, 1583710, 2533936, 3167420, 6334840, 12669680]

約数ペア:

[(1, 12669680), (2, 6334840), (4, 3167420), (5, 2533936), (8, 1583710), (10, 1266968), (16, 791855), (20, 633484), (40, 316742), (80, 158371)]