40539860

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4703}}^1$

素因数の和:5143

約数の個数: 24

約数和(自身を含む): 85349376

約数和(自身を除く): 44809516

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 4703, 8620, 9406, 18812, 23515, 47030, 94060, 2026993, 4053986, 8107972, 10134965, 20269930, 40539860]

約数ペア:

[(1, 40539860), (2, 20269930), (4, 10134965), (5, 8107972), (10, 4053986), (20, 2026993), (431, 94060), (862, 47030), (1724, 23515), (2155, 18812), (4310, 9406), (4703, 8620)]