25222620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2579}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 71084160

約数和(自身を除く): 45861540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 2579, 3260, 4890, 5158, 7737, 9780, 10316, 12895, 15474, 25790, 30948, 38685, 51580, 77370, 154740, 420377, 840754, 1261131, 1681508, 2101885, 2522262, 4203770, 5044524, 6305655, 8407540, 12611310, 25222620]

約数ペア:

[(1, 25222620), (2, 12611310), (3, 8407540), (4, 6305655), (5, 5044524), (6, 4203770), (10, 2522262), (12, 2101885), (15, 1681508), (20, 1261131), (30, 840754), (60, 420377), (163, 154740), (326, 77370), (489, 51580), (652, 38685), (815, 30948), (978, 25790), (1630, 15474), (1956, 12895), (2445, 10316), (2579, 9780), (3260, 7737), (4890, 5158)]