16806760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4721}}^1$

素因数の和:4821

約数の個数: 32

約数和(自身を含む): 38248200

約数和(自身を除く): 21441440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4721, 9442, 18884, 23605, 37768, 47210, 94420, 188840, 420169, 840338, 1680676, 2100845, 3361352, 4201690, 8403380, 16806760]

約数ペア:

[(1, 16806760), (2, 8403380), (4, 4201690), (5, 3361352), (8, 2100845), (10, 1680676), (20, 840338), (40, 420169), (89, 188840), (178, 94420), (356, 47210), (445, 37768), (712, 23605), (890, 18884), (1780, 9442), (3560, 4721)]