88409980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 193072320

約数和(自身を除く): 104662340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 313, 487, 580, 626, 974, 1252, 1565, 1948, 2435, 3130, 4870, 6260, 9077, 9740, 14123, 18154, 28246, 36308, 45385, 56492, 70615, 90770, 141230, 152431, 181540, 282460, 304862, 609724, 762155, 1524310, 3048620, 4420499, 8840998, 17681996, 22102495, 44204990, 88409980]

約数ペア:

[(1, 88409980), (2, 44204990), (4, 22102495), (5, 17681996), (10, 8840998), (20, 4420499), (29, 3048620), (58, 1524310), (116, 762155), (145, 609724), (290, 304862), (313, 282460), (487, 181540), (580, 152431), (626, 141230), (974, 90770), (1252, 70615), (1565, 56492), (1948, 45385), (2435, 36308), (3130, 28246), (4870, 18154), (6260, 14123), (9077, 9740)]