25493240

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{947}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 57505680

約数和(自身を除く): 32012440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 947, 1346, 1894, 2692, 3365, 3788, 4735, 5384, 6730, 7576, 9470, 13460, 18940, 26920, 37880, 637331, 1274662, 2549324, 3186655, 5098648, 6373310, 12746620, 25493240]

約数ペア:

[(1, 25493240), (2, 12746620), (4, 6373310), (5, 5098648), (8, 3186655), (10, 2549324), (20, 1274662), (40, 637331), (673, 37880), (947, 26920), (1346, 18940), (1894, 13460), (2692, 9470), (3365, 7576), (3788, 6730), (4735, 5384)]