2490160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 6133536

約数和(自身を除く): 3643376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1831, 3662, 7324, 9155, 14648, 18310, 29296, 31127, 36620, 62254, 73240, 124508, 146480, 155635, 249016, 311270, 498032, 622540, 1245080, 2490160]

約数ペア:

[(1, 2490160), (2, 1245080), (4, 622540), (5, 498032), (8, 311270), (10, 249016), (16, 155635), (17, 146480), (20, 124508), (34, 73240), (40, 62254), (68, 36620), (80, 31127), (85, 29296), (136, 18310), (170, 14648), (272, 9155), (340, 7324), (680, 3662), (1360, 1831)]