124869320

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{7243}}^1$

素因数の和:7685

約数の個数: 32

約数和(自身を含む): 281646720

約数和(自身を除く): 156777400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 7243, 8620, 14486, 17240, 28972, 36215, 57944, 72430, 144860, 289720, 3121733, 6243466, 12486932, 15608665, 24973864, 31217330, 62434660, 124869320]

約数ペア:

[(1, 124869320), (2, 62434660), (4, 31217330), (5, 24973864), (8, 15608665), (10, 12486932), (20, 6243466), (40, 3121733), (431, 289720), (862, 144860), (1724, 72430), (2155, 57944), (3448, 36215), (4310, 28972), (7243, 17240), (8620, 14486)]