8997080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 21811680

約数和(自身を除く): 12814600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 131, 136, 170, 202, 262, 340, 404, 505, 524, 655, 680, 808, 1010, 1048, 1310, 1717, 2020, 2227, 2620, 3434, 4040, 4454, 5240, 6868, 8585, 8908, 11135, 13231, 13736, 17170, 17816, 22270, 26462, 34340, 44540, 52924, 66155, 68680, 89080, 105848, 132310, 224927, 264620, 449854, 529240, 899708, 1124635, 1799416, 2249270, 4498540, 8997080]

約数ペア:

[(1, 8997080), (2, 4498540), (4, 2249270), (5, 1799416), (8, 1124635), (10, 899708), (17, 529240), (20, 449854), (34, 264620), (40, 224927), (68, 132310), (85, 105848), (101, 89080), (131, 68680), (136, 66155), (170, 52924), (202, 44540), (262, 34340), (340, 26462), (404, 22270), (505, 17816), (524, 17170), (655, 13736), (680, 13231), (808, 11135), (1010, 8908), (1048, 8585), (1310, 6868), (1717, 5240), (2020, 4454), (2227, 4040), (2620, 3434)]