88308025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 35434055

約数列:

[1, 5, 13, 25, 43, 65, 71, 89, 215, 325, 355, 445, 559, 923, 1075, 1157, 1775, 2225, 2795, 3053, 3827, 4615, 5785, 6319, 13975, 15265, 19135, 23075, 28925, 31595, 39689, 49751, 76325, 82147, 95675, 157975, 198445, 248755, 271717, 410735, 992225, 1243775, 1358585, 2053675, 3532321, 6792925, 17661605, 88308025]

約数ペア:

[(1, 88308025), (5, 17661605), (13, 6792925), (25, 3532321), (43, 2053675), (65, 1358585), (71, 1243775), (89, 992225), (215, 410735), (325, 271717), (355, 248755), (445, 198445), (559, 157975), (923, 95675), (1075, 82147), (1157, 76325), (1775, 49751), (2225, 39689), (2795, 31595), (3053, 28925), (3827, 23075), (4615, 19135), (5785, 15265), (6319, 13975)]