130185680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20599}}^1$

素因数の和:20691

約数の個数: 40

約数和(自身を含む): 306528000

約数和(自身を除く): 176342320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 20599, 41198, 82396, 102995, 164792, 205990, 329584, 411980, 823960, 1627321, 1647920, 3254642, 6509284, 8136605, 13018568, 16273210, 26037136, 32546420, 65092840, 130185680]

約数ペア:

[(1, 130185680), (2, 65092840), (4, 32546420), (5, 26037136), (8, 16273210), (10, 13018568), (16, 8136605), (20, 6509284), (40, 3254642), (79, 1647920), (80, 1627321), (158, 823960), (316, 411980), (395, 329584), (632, 205990), (790, 164792), (1264, 102995), (1580, 82396), (3160, 41198), (6320, 20599)]