25271960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 41256040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2099, 2408, 3010, 4198, 6020, 8396, 10495, 12040, 14693, 16792, 20990, 29386, 41980, 58772, 73465, 83960, 90257, 117544, 146930, 180514, 293860, 361028, 451285, 587720, 631799, 722056, 902570, 1263598, 1805140, 2527196, 3158995, 3610280, 5054392, 6317990, 12635980, 25271960]

約数ペア:

[(1, 25271960), (2, 12635980), (4, 6317990), (5, 5054392), (7, 3610280), (8, 3158995), (10, 2527196), (14, 1805140), (20, 1263598), (28, 902570), (35, 722056), (40, 631799), (43, 587720), (56, 451285), (70, 361028), (86, 293860), (140, 180514), (172, 146930), (215, 117544), (280, 90257), (301, 83960), (344, 73465), (430, 58772), (602, 41980), (860, 29386), (1204, 20990), (1505, 16792), (1720, 14693), (2099, 12040), (2408, 10495), (3010, 8396), (4198, 6020)]