2499680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 6259680

約数和(自身を除く): 3760000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 919, 1360, 1838, 2720, 3676, 4595, 7352, 9190, 14704, 15623, 18380, 29408, 31246, 36760, 62492, 73520, 78115, 124984, 147040, 156230, 249968, 312460, 499936, 624920, 1249840, 2499680]

約数ペア:

[(1, 2499680), (2, 1249840), (4, 624920), (5, 499936), (8, 312460), (10, 249968), (16, 156230), (17, 147040), (20, 124984), (32, 78115), (34, 73520), (40, 62492), (68, 36760), (80, 31246), (85, 29408), (136, 18380), (160, 15623), (170, 14704), (272, 9190), (340, 7352), (544, 4595), (680, 3676), (919, 2720), (1360, 1838)]