10400080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1915

約数の個数: 40

約数和(自身を含む): 24534144

約数和(自身を除く): 14134064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1831, 2840, 3662, 5680, 7324, 9155, 14648, 18310, 29296, 36620, 73240, 130001, 146480, 260002, 520004, 650005, 1040008, 1300010, 2080016, 2600020, 5200040, 10400080]

約数ペア:

[(1, 10400080), (2, 5200040), (4, 2600020), (5, 2080016), (8, 1300010), (10, 1040008), (16, 650005), (20, 520004), (40, 260002), (71, 146480), (80, 130001), (142, 73240), (284, 36620), (355, 29296), (568, 18310), (710, 14648), (1136, 9155), (1420, 7324), (1831, 5680), (2840, 3662)]