25467500

素因数分解:

$2^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 60

約数和(自身を含む): 56944272

約数和(自身を除く): 31476772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 167, 244, 250, 305, 334, 500, 610, 625, 668, 835, 1220, 1250, 1525, 1670, 2500, 3050, 3340, 4175, 6100, 7625, 8350, 10187, 15250, 16700, 20374, 20875, 30500, 38125, 40748, 41750, 50935, 76250, 83500, 101870, 104375, 152500, 203740, 208750, 254675, 417500, 509350, 1018700, 1273375, 2546750, 5093500, 6366875, 12733750, 25467500]

約数ペア:

[(1, 25467500), (2, 12733750), (4, 6366875), (5, 5093500), (10, 2546750), (20, 1273375), (25, 1018700), (50, 509350), (61, 417500), (100, 254675), (122, 208750), (125, 203740), (167, 152500), (244, 104375), (250, 101870), (305, 83500), (334, 76250), (500, 50935), (610, 41750), (625, 40748), (668, 38125), (835, 30500), (1220, 20875), (1250, 20374), (1525, 16700), (1670, 15250), (2500, 10187), (3050, 8350), (3340, 7625), (4175, 6100)]