25615700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 108

約数和(自身を含む): 64071420

約数和(自身を除く): 38455720

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 73, 100, 110, 116, 121, 145, 146, 220, 242, 275, 290, 292, 319, 365, 484, 550, 580, 605, 638, 725, 730, 803, 1100, 1210, 1276, 1450, 1460, 1595, 1606, 1825, 2117, 2420, 2900, 3025, 3190, 3212, 3509, 3650, 4015, 4234, 6050, 6380, 7018, 7300, 7975, 8030, 8468, 8833, 10585, 12100, 14036, 15950, 16060, 17545, 17666, 20075, 21170, 23287, 31900, 35090, 35332, 40150, 42340, 44165, 46574, 52925, 70180, 80300, 87725, 88330, 93148, 105850, 116435, 175450, 176660, 211700, 220825, 232870, 256157, 350900, 441650, 465740, 512314, 582175, 883300, 1024628, 1164350, 1280785, 2328700, 2561570, 5123140, 6403925, 12807850, 25615700]

約数ペア:

[(1, 25615700), (2, 12807850), (4, 6403925), (5, 5123140), (10, 2561570), (11, 2328700), (20, 1280785), (22, 1164350), (25, 1024628), (29, 883300), (44, 582175), (50, 512314), (55, 465740), (58, 441650), (73, 350900), (100, 256157), (110, 232870), (116, 220825), (121, 211700), (145, 176660), (146, 175450), (220, 116435), (242, 105850), (275, 93148), (290, 88330), (292, 87725), (319, 80300), (365, 70180), (484, 52925), (550, 46574), (580, 44165), (605, 42340), (638, 40150), (725, 35332), (730, 35090), (803, 31900), (1100, 23287), (1210, 21170), (1276, 20075), (1450, 17666), (1460, 17545), (1595, 16060), (1606, 15950), (1825, 14036), (2117, 12100), (2420, 10585), (2900, 8833), (3025, 8468), (3190, 8030), (3212, 7975), (3509, 7300), (3650, 7018), (4015, 6380), (4234, 6050)]