25102030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 48211200

約数和(自身を除く): 23109170

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 991, 1490, 1982, 2533, 4955, 5066, 9910, 12665, 16847, 25330, 33694, 84235, 147659, 168470, 295318, 738295, 1476590, 2510203, 5020406, 12551015, 25102030]

約数ペア:

[(1, 25102030), (2, 12551015), (5, 5020406), (10, 2510203), (17, 1476590), (34, 738295), (85, 295318), (149, 168470), (170, 147659), (298, 84235), (745, 33694), (991, 25330), (1490, 16847), (1982, 12665), (2533, 9910), (4955, 5066)]