82028225

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 109842300

約数和(自身を除く): 27814075

約数列:

[1, 5, 19, 25, 61, 95, 149, 305, 361, 475, 745, 1159, 1525, 1805, 2831, 3725, 5795, 9025, 9089, 14155, 22021, 28975, 45445, 53789, 70775, 110105, 172691, 227225, 268945, 550525, 863455, 1344725, 3281129, 4317275, 16405645, 82028225]

約数ペア:

[(1, 82028225), (5, 16405645), (19, 4317275), (25, 3281129), (61, 1344725), (95, 863455), (149, 550525), (305, 268945), (361, 227225), (475, 172691), (745, 110105), (1159, 70775), (1525, 53789), (1805, 45445), (2831, 28975), (3725, 22021), (5795, 14155), (9025, 9089)]