28155040

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1181}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 67019400

約数和(自身を除く): 38864360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1181, 1192, 1490, 2362, 2384, 2980, 4724, 4768, 5905, 5960, 9448, 11810, 11920, 18896, 23620, 23840, 37792, 47240, 94480, 175969, 188960, 351938, 703876, 879845, 1407752, 1759690, 2815504, 3519380, 5631008, 7038760, 14077520, 28155040]

約数ペア:

[(1, 28155040), (2, 14077520), (4, 7038760), (5, 5631008), (8, 3519380), (10, 2815504), (16, 1759690), (20, 1407752), (32, 879845), (40, 703876), (80, 351938), (149, 188960), (160, 175969), (298, 94480), (596, 47240), (745, 37792), (1181, 23840), (1192, 23620), (1490, 18896), (2362, 11920), (2384, 11810), (2980, 9448), (4724, 5960), (4768, 5905)]