25491700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19636

約数の個数: 36

約数和(自身を含む): 59575180

約数和(自身を除く): 34083480

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 19609, 39218, 78436, 98045, 196090, 254917, 392180, 490225, 509834, 980450, 1019668, 1274585, 1960900, 2549170, 5098340, 6372925, 12745850, 25491700]

約数ペア:

[(1, 25491700), (2, 12745850), (4, 6372925), (5, 5098340), (10, 2549170), (13, 1960900), (20, 1274585), (25, 1019668), (26, 980450), (50, 509834), (52, 490225), (65, 392180), (100, 254917), (130, 196090), (260, 98045), (325, 78436), (650, 39218), (1300, 19609)]