2449840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 5767488

約数和(自身を除く): 3317648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 271, 452, 542, 565, 904, 1084, 1130, 1355, 1808, 2168, 2260, 2710, 4336, 4520, 5420, 9040, 10840, 21680, 30623, 61246, 122492, 153115, 244984, 306230, 489968, 612460, 1224920, 2449840]

約数ペア:

[(1, 2449840), (2, 1224920), (4, 612460), (5, 489968), (8, 306230), (10, 244984), (16, 153115), (20, 122492), (40, 61246), (80, 30623), (113, 21680), (226, 10840), (271, 9040), (452, 5420), (542, 4520), (565, 4336), (904, 2710), (1084, 2260), (1130, 2168), (1355, 1808)]