38813240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 91272960

約数和(自身を除く): 52459720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 277, 310, 452, 554, 565, 620, 904, 1108, 1130, 1240, 1385, 2216, 2260, 2770, 3503, 4520, 5540, 7006, 8587, 11080, 14012, 17174, 17515, 28024, 31301, 34348, 35030, 42935, 62602, 68696, 70060, 85870, 125204, 140120, 156505, 171740, 250408, 313010, 343480, 626020, 970331, 1252040, 1940662, 3881324, 4851655, 7762648, 9703310, 19406620, 38813240]

約数ペア:

[(1, 38813240), (2, 19406620), (4, 9703310), (5, 7762648), (8, 4851655), (10, 3881324), (20, 1940662), (31, 1252040), (40, 970331), (62, 626020), (113, 343480), (124, 313010), (155, 250408), (226, 171740), (248, 156505), (277, 140120), (310, 125204), (452, 85870), (554, 70060), (565, 68696), (620, 62602), (904, 42935), (1108, 35030), (1130, 34348), (1240, 31301), (1385, 28024), (2216, 17515), (2260, 17174), (2770, 14012), (3503, 11080), (4520, 8587), (5540, 7006)]