22113680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3499}}^1$

素因数の和:3591

約数の個数: 40

約数和(自身を含む): 52080000

約数和(自身を除く): 29966320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 3499, 6320, 6998, 13996, 17495, 27992, 34990, 55984, 69980, 139960, 276421, 279920, 552842, 1105684, 1382105, 2211368, 2764210, 4422736, 5528420, 11056840, 22113680]

約数ペア:

[(1, 22113680), (2, 11056840), (4, 5528420), (5, 4422736), (8, 2764210), (10, 2211368), (16, 1382105), (20, 1105684), (40, 552842), (79, 279920), (80, 276421), (158, 139960), (316, 69980), (395, 55984), (632, 34990), (790, 27992), (1264, 17495), (1580, 13996), (3160, 6998), (3499, 6320)]