89882020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 201600000

約数和(自身を除く): 111717980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 4999, 8990, 9998, 17980, 19996, 24995, 49990, 99980, 144971, 154969, 289942, 309938, 579884, 619876, 724855, 774845, 1449710, 1549690, 2899420, 3099380, 4494101, 8988202, 17976404, 22470505, 44941010, 89882020]

約数ペア:

[(1, 89882020), (2, 44941010), (4, 22470505), (5, 17976404), (10, 8988202), (20, 4494101), (29, 3099380), (31, 2899420), (58, 1549690), (62, 1449710), (116, 774845), (124, 724855), (145, 619876), (155, 579884), (290, 309938), (310, 289942), (580, 154969), (620, 144971), (899, 99980), (1798, 49990), (3596, 24995), (4495, 19996), (4999, 17980), (8990, 9998)]