90840880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6719}}^1$

素因数の和:6758

約数の個数: 60

約数和(自身を含む): 228735360

約数和(自身を除く): 137894480

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, 845, 1040, 1352, 1690, 2704, 3380, 6719, 6760, 13438, 13520, 26876, 33595, 53752, 67190, 87347, 107504, 134380, 174694, 268760, 349388, 436735, 537520, 698776, 873470, 1135511, 1397552, 1746940, 2271022, 3493880, 4542044, 5677555, 6987760, 9084088, 11355110, 18168176, 22710220, 45420440, 90840880]

約数ペア:

[(1, 90840880), (2, 45420440), (4, 22710220), (5, 18168176), (8, 11355110), (10, 9084088), (13, 6987760), (16, 5677555), (20, 4542044), (26, 3493880), (40, 2271022), (52, 1746940), (65, 1397552), (80, 1135511), (104, 873470), (130, 698776), (169, 537520), (208, 436735), (260, 349388), (338, 268760), (520, 174694), (676, 134380), (845, 107504), (1040, 87347), (1352, 67190), (1690, 53752), (2704, 33595), (3380, 26876), (6719, 13520), (6760, 13438)]