25151660

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1993}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 52928736

約数和(自身を除く): 27777076

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1993, 2524, 3155, 3986, 6310, 7972, 9965, 12620, 19930, 39860, 1257583, 2515166, 5030332, 6287915, 12575830, 25151660]

約数ペア:

[(1, 25151660), (2, 12575830), (4, 6287915), (5, 5030332), (10, 2515166), (20, 1257583), (631, 39860), (1262, 19930), (1993, 12620), (2524, 9965), (3155, 7972), (3986, 6310)]