25221248

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 31327552

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 598, 659, 736, 832, 1196, 1318, 1472, 1664, 2392, 2636, 2944, 4784, 5272, 8567, 9568, 10544, 15157, 17134, 19136, 21088, 30314, 34268, 38272, 42176, 60628, 68536, 84352, 121256, 137072, 197041, 242512, 274144, 394082, 485024, 548288, 788164, 970048, 1096576, 1576328, 1940096, 3152656, 6305312, 12610624, 25221248]

約数ペア:

[(1, 25221248), (2, 12610624), (4, 6305312), (8, 3152656), (13, 1940096), (16, 1576328), (23, 1096576), (26, 970048), (32, 788164), (46, 548288), (52, 485024), (64, 394082), (92, 274144), (104, 242512), (128, 197041), (184, 137072), (208, 121256), (299, 84352), (368, 68536), (416, 60628), (598, 42176), (659, 38272), (736, 34268), (832, 30314), (1196, 21088), (1318, 19136), (1472, 17134), (1664, 15157), (2392, 10544), (2636, 9568), (2944, 8567), (4784, 5272)]