25391380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{619}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 35854700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 619, 1172, 1238, 1465, 2051, 2476, 2930, 3095, 4102, 4333, 5860, 6190, 8204, 8666, 10255, 12380, 17332, 20510, 21665, 41020, 43330, 86660, 181367, 362734, 725468, 906835, 1269569, 1813670, 2539138, 3627340, 5078276, 6347845, 12695690, 25391380]

約数ペア:

[(1, 25391380), (2, 12695690), (4, 6347845), (5, 5078276), (7, 3627340), (10, 2539138), (14, 1813670), (20, 1269569), (28, 906835), (35, 725468), (70, 362734), (140, 181367), (293, 86660), (586, 43330), (619, 41020), (1172, 21665), (1238, 20510), (1465, 17332), (2051, 12380), (2476, 10255), (2930, 8666), (3095, 8204), (4102, 6190), (4333, 5860)]