13379120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4079}}^1$

素因数の和:4133

約数の個数: 40

約数和(自身を含む): 31872960

約数和(自身を除く): 18493840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4079, 8158, 16316, 20395, 32632, 40790, 65264, 81580, 163160, 167239, 326320, 334478, 668956, 836195, 1337912, 1672390, 2675824, 3344780, 6689560, 13379120]

約数ペア:

[(1, 13379120), (2, 6689560), (4, 3344780), (5, 2675824), (8, 1672390), (10, 1337912), (16, 836195), (20, 668956), (40, 334478), (41, 326320), (80, 167239), (82, 163160), (164, 81580), (205, 65264), (328, 40790), (410, 32632), (656, 20395), (820, 16316), (1640, 8158), (3280, 4079)]