5200040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 11871360

約数和(自身を除く): 6671320

約数列:

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

約数ペア:

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