28479400

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 66781440

約数和(自身を除く): 38302040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1087, 1310, 2174, 2620, 3275, 4348, 5240, 5435, 6550, 8696, 10870, 13100, 21740, 26200, 27175, 43480, 54350, 108700, 142397, 217400, 284794, 569588, 711985, 1139176, 1423970, 2847940, 3559925, 5695880, 7119850, 14239700, 28479400]

約数ペア:

[(1, 28479400), (2, 14239700), (4, 7119850), (5, 5695880), (8, 3559925), (10, 2847940), (20, 1423970), (25, 1139176), (40, 711985), (50, 569588), (100, 284794), (131, 217400), (200, 142397), (262, 108700), (524, 54350), (655, 43480), (1048, 27175), (1087, 26200), (1310, 21740), (2174, 13100), (2620, 10870), (3275, 8696), (4348, 6550), (5240, 5435)]