25190490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64591}}^1$

素因数の和:64614

約数の個数: 32

約数和(自身を含む): 65108736

約数和(自身を除く): 39918246

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64591, 129182, 193773, 322955, 387546, 645910, 839683, 968865, 1679366, 1937730, 2519049, 4198415, 5038098, 8396830, 12595245, 25190490]

約数ペア:

[(1, 25190490), (2, 12595245), (3, 8396830), (5, 5038098), (6, 4198415), (10, 2519049), (13, 1937730), (15, 1679366), (26, 968865), (30, 839683), (39, 645910), (65, 387546), (78, 322955), (130, 193773), (195, 129182), (390, 64591)]