2016520025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2039}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 2868566400

約数和(自身を除く): 852046375

約数列:

[1, 5, 13, 17, 25, 65, 85, 179, 221, 325, 425, 895, 1105, 2039, 2327, 3043, 4475, 5525, 10195, 11635, 15215, 26507, 34663, 39559, 50975, 58175, 76075, 132535, 173315, 197795, 364981, 450619, 662675, 866575, 988975, 1824905, 2253095, 4744753, 6204677, 9124525, 11265475, 23723765, 31023385, 80660801, 118618825, 155116925, 403304005, 2016520025]

約数ペア:

[(1, 2016520025), (5, 403304005), (13, 155116925), (17, 118618825), (25, 80660801), (65, 31023385), (85, 23723765), (179, 11265475), (221, 9124525), (325, 6204677), (425, 4744753), (895, 2253095), (1105, 1824905), (2039, 988975), (2327, 866575), (3043, 662675), (4475, 450619), (5525, 364981), (10195, 197795), (11635, 173315), (15215, 132535), (26507, 76075), (34663, 58175), (39559, 50975)]