156655420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{99149}}^1$

素因数の和:99237

約数の個数: 24

約数和(自身を含む): 333144000

約数和(自身を除く): 176488580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 99149, 198298, 396596, 495745, 991490, 1982980, 7832771, 15665542, 31331084, 39163855, 78327710, 156655420]

約数ペア:

[(1, 156655420), (2, 78327710), (4, 39163855), (5, 31331084), (10, 15665542), (20, 7832771), (79, 1982980), (158, 991490), (316, 495745), (395, 396596), (790, 198298), (1580, 99149)]