8818120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2577

約数の個数: 32

約数和(自身を含む): 20071800

約数和(自身を除く): 11253680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2477, 3560, 4954, 9908, 12385, 19816, 24770, 49540, 99080, 220453, 440906, 881812, 1102265, 1763624, 2204530, 4409060, 8818120]

約数ペア:

[(1, 8818120), (2, 4409060), (4, 2204530), (5, 1763624), (8, 1102265), (10, 881812), (20, 440906), (40, 220453), (89, 99080), (178, 49540), (356, 24770), (445, 19816), (712, 12385), (890, 9908), (1780, 4954), (2477, 3560)]