839480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 1952640

約数和(自身を除く): 1113160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 677, 1240, 1354, 2708, 3385, 5416, 6770, 13540, 20987, 27080, 41974, 83948, 104935, 167896, 209870, 419740, 839480]

約数ペア:

[(1, 839480), (2, 419740), (4, 209870), (5, 167896), (8, 104935), (10, 83948), (20, 41974), (31, 27080), (40, 20987), (62, 13540), (124, 6770), (155, 5416), (248, 3385), (310, 2708), (620, 1354), (677, 1240)]