9720880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{719}}^1$

素因数の和:758

約数の個数: 60

約数和(自身を含む): 24507360

約数和(自身を除く): 14786480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 719, 845, 1040, 1352, 1438, 1690, 2704, 2876, 3380, 3595, 5752, 6760, 7190, 9347, 11504, 13520, 14380, 18694, 28760, 37388, 46735, 57520, 74776, 93470, 121511, 149552, 186940, 243022, 373880, 486044, 607555, 747760, 972088, 1215110, 1944176, 2430220, 4860440, 9720880]

約数ペア:

[(1, 9720880), (2, 4860440), (4, 2430220), (5, 1944176), (8, 1215110), (10, 972088), (13, 747760), (16, 607555), (20, 486044), (26, 373880), (40, 243022), (52, 186940), (65, 149552), (80, 121511), (104, 93470), (130, 74776), (169, 57520), (208, 46735), (260, 37388), (338, 28760), (520, 18694), (676, 14380), (719, 13520), (845, 11504), (1040, 9347), (1352, 7190), (1438, 6760), (1690, 5752), (2704, 3595), (2876, 3380)]