18822080

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:597

約数の個数: 56

約数和(自身を含む): 45262800

約数和(自身を除く): 26440720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 449, 524, 655, 898, 1048, 1310, 1796, 2096, 2245, 2620, 3592, 4192, 4490, 5240, 7184, 8384, 8980, 10480, 14368, 17960, 20960, 28736, 35920, 41920, 58819, 71840, 117638, 143680, 235276, 294095, 470552, 588190, 941104, 1176380, 1882208, 2352760, 3764416, 4705520, 9411040, 18822080]

約数ペア:

[(1, 18822080), (2, 9411040), (4, 4705520), (5, 3764416), (8, 2352760), (10, 1882208), (16, 1176380), (20, 941104), (32, 588190), (40, 470552), (64, 294095), (80, 235276), (131, 143680), (160, 117638), (262, 71840), (320, 58819), (449, 41920), (524, 35920), (655, 28736), (898, 20960), (1048, 17960), (1310, 14368), (1796, 10480), (2096, 8980), (2245, 8384), (2620, 7184), (3592, 5240), (4192, 4490)]