124317640

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{7211}}^1$

素因数の和:7653

約数の個数: 32

約数和(自身を含む): 280402560

約数和(自身を除く): 156084920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 7211, 8620, 14422, 17240, 28844, 36055, 57688, 72110, 144220, 288440, 3107941, 6215882, 12431764, 15539705, 24863528, 31079410, 62158820, 124317640]

約数ペア:

[(1, 124317640), (2, 62158820), (4, 31079410), (5, 24863528), (8, 15539705), (10, 12431764), (20, 6215882), (40, 3107941), (431, 288440), (862, 144220), (1724, 72110), (2155, 57688), (3448, 36055), (4310, 28844), (7211, 17240), (8620, 14422)]