45138820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 98461440

約数和(自身を除く): 53322620

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 719, 730, 860, 1438, 1460, 2876, 3139, 3595, 6278, 7190, 12556, 14380, 15695, 30917, 31390, 52487, 61834, 62780, 104974, 123668, 154585, 209948, 262435, 309170, 524870, 618340, 1049740, 2256941, 4513882, 9027764, 11284705, 22569410, 45138820]

約数ペア:

[(1, 45138820), (2, 22569410), (4, 11284705), (5, 9027764), (10, 4513882), (20, 2256941), (43, 1049740), (73, 618340), (86, 524870), (146, 309170), (172, 262435), (215, 209948), (292, 154585), (365, 123668), (430, 104974), (719, 62780), (730, 61834), (860, 52487), (1438, 31390), (1460, 30917), (2876, 15695), (3139, 14380), (3595, 12556), (6278, 7190)]