25918290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4721}}^1$

素因数の和:4795

約数の個数: 48

約数和(自身を含む): 68506776

約数和(自身を除く): 42588486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 4721, 5490, 9442, 14163, 23605, 28326, 42489, 47210, 70815, 84978, 141630, 212445, 287981, 424890, 575962, 863943, 1439905, 1727886, 2591829, 2879810, 4319715, 5183658, 8639430, 12959145, 25918290]

約数ペア:

[(1, 25918290), (2, 12959145), (3, 8639430), (5, 5183658), (6, 4319715), (9, 2879810), (10, 2591829), (15, 1727886), (18, 1439905), (30, 863943), (45, 575962), (61, 424890), (90, 287981), (122, 212445), (183, 141630), (305, 84978), (366, 70815), (549, 47210), (610, 42489), (915, 28326), (1098, 23605), (1830, 14163), (2745, 9442), (4721, 5490)]