156940120

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6359}}^1$

素因数の和:6987

約数の個数: 32

約数和(自身を含む): 353743200

約数和(自身を除く): 196803080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 6359, 12340, 12718, 24680, 25436, 31795, 50872, 63590, 127180, 254360, 3923503, 7847006, 15694012, 19617515, 31388024, 39235030, 78470060, 156940120]

約数ペア:

[(1, 156940120), (2, 78470060), (4, 39235030), (5, 31388024), (8, 19617515), (10, 15694012), (20, 7847006), (40, 3923503), (617, 254360), (1234, 127180), (2468, 63590), (3085, 50872), (4936, 31795), (6170, 25436), (6359, 24680), (12340, 12718)]