84668440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68281}}^1$

素因数の和:68323

約数の個数: 32

約数和(自身を含む): 196652160

約数和(自身を除く): 111983720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68281, 136562, 273124, 341405, 546248, 682810, 1365620, 2116711, 2731240, 4233422, 8466844, 10583555, 16933688, 21167110, 42334220, 84668440]

約数ペア:

[(1, 84668440), (2, 42334220), (4, 21167110), (5, 16933688), (8, 10583555), (10, 8466844), (20, 4233422), (31, 2731240), (40, 2116711), (62, 1365620), (124, 682810), (155, 546248), (248, 341405), (310, 273124), (620, 136562), (1240, 68281)]