89761880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172619}}^1$

素因数の和:172643

約数の個数: 32

約数和(自身を含む): 217501200

約数和(自身を除く): 127739320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172619, 345238, 690476, 863095, 1380952, 1726190, 2244047, 3452380, 4488094, 6904760, 8976188, 11220235, 17952376, 22440470, 44880940, 89761880]

約数ペア:

[(1, 89761880), (2, 44880940), (4, 22440470), (5, 17952376), (8, 11220235), (10, 8976188), (13, 6904760), (20, 4488094), (26, 3452380), (40, 2244047), (52, 1726190), (65, 1380952), (104, 863095), (130, 690476), (260, 345238), (520, 172619)]