10720240

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 25185888

約数和(自身を除く): 14465648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1301, 1648, 2060, 2602, 4120, 5204, 6505, 8240, 10408, 13010, 20816, 26020, 52040, 104080, 134003, 268006, 536012, 670015, 1072024, 1340030, 2144048, 2680060, 5360120, 10720240]

約数ペア:

[(1, 10720240), (2, 5360120), (4, 2680060), (5, 2144048), (8, 1340030), (10, 1072024), (16, 670015), (20, 536012), (40, 268006), (80, 134003), (103, 104080), (206, 52040), (412, 26020), (515, 20816), (824, 13010), (1030, 10408), (1301, 8240), (1648, 6505), (2060, 5204), (2602, 4120)]