25018940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 55363392

約数和(自身を除く): 30344452

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 397, 460, 548, 685, 794, 1370, 1588, 1985, 2740, 3151, 3970, 6302, 7940, 9131, 12604, 15755, 18262, 31510, 36524, 45655, 54389, 63020, 91310, 108778, 182620, 217556, 271945, 543890, 1087780, 1250947, 2501894, 5003788, 6254735, 12509470, 25018940]

約数ペア:

[(1, 25018940), (2, 12509470), (4, 6254735), (5, 5003788), (10, 2501894), (20, 1250947), (23, 1087780), (46, 543890), (92, 271945), (115, 217556), (137, 182620), (230, 108778), (274, 91310), (397, 63020), (460, 54389), (548, 45655), (685, 36524), (794, 31510), (1370, 18262), (1588, 15755), (1985, 12604), (2740, 9131), (3151, 7940), (3970, 6302)]