25855620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61561}}^1$

素因数の和:61580

約数の個数: 48

約数和(自身を含む): 82739328

約数和(自身を除く): 56883708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61561, 123122, 184683, 246244, 307805, 369366, 430927, 615610, 738732, 861854, 923415, 1231220, 1292781, 1723708, 1846830, 2154635, 2585562, 3693660, 4309270, 5171124, 6463905, 8618540, 12927810, 25855620]

約数ペア:

[(1, 25855620), (2, 12927810), (3, 8618540), (4, 6463905), (5, 5171124), (6, 4309270), (7, 3693660), (10, 2585562), (12, 2154635), (14, 1846830), (15, 1723708), (20, 1292781), (21, 1231220), (28, 923415), (30, 861854), (35, 738732), (42, 615610), (60, 430927), (70, 369366), (84, 307805), (105, 246244), (140, 184683), (210, 123122), (420, 61561)]