1004020025

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{1091}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 1260106848

約数和(自身を除く): 256086823

約数列:

[1, 5, 25, 131, 281, 655, 1091, 1405, 3275, 5455, 7025, 27275, 36811, 142921, 184055, 306571, 714605, 920275, 1532855, 3573025, 7664275, 40160801, 200804005, 1004020025]

約数ペア:

[(1, 1004020025), (5, 200804005), (25, 40160801), (131, 7664275), (281, 3573025), (655, 1532855), (1091, 920275), (1405, 714605), (3275, 306571), (5455, 184055), (7025, 142921), (27275, 36811)]