25000120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5531}}^1$

素因数の和:5655

約数の個数: 32

約数和(自身を含む): 56758320

約数和(自身を除く): 31758200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 5531, 11062, 22124, 27655, 44248, 55310, 110620, 221240, 625003, 1250006, 2500012, 3125015, 5000024, 6250030, 12500060, 25000120]

約数ペア:

[(1, 25000120), (2, 12500060), (4, 6250030), (5, 5000024), (8, 3125015), (10, 2500012), (20, 1250006), (40, 625003), (113, 221240), (226, 110620), (452, 55310), (565, 44248), (904, 27655), (1130, 22124), (2260, 11062), (4520, 5531)]