61272880

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2447}}^1$

素因数の和:2773

約数の個数: 40

約数和(自身を含む): 142972992

約数和(自身を除く): 81700112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2447, 2504, 3130, 4894, 5008, 6260, 9788, 12235, 12520, 19576, 24470, 25040, 39152, 48940, 97880, 195760, 765911, 1531822, 3063644, 3829555, 6127288, 7659110, 12254576, 15318220, 30636440, 61272880]

約数ペア:

[(1, 61272880), (2, 30636440), (4, 15318220), (5, 12254576), (8, 7659110), (10, 6127288), (16, 3829555), (20, 3063644), (40, 1531822), (80, 765911), (313, 195760), (626, 97880), (1252, 48940), (1565, 39152), (2447, 25040), (2504, 24470), (3130, 19576), (4894, 12520), (5008, 12235), (6260, 9788)]