25484220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15731}}^1$

素因数の和:15752

約数の個数: 60

約数和(自身を含む): 79950024

約数和(自身を除く): 54465804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15731, 31462, 47193, 62924, 78655, 94386, 141579, 157310, 188772, 235965, 283158, 314620, 424737, 471930, 566316, 707895, 849474, 943860, 1274211, 1415790, 1698948, 2123685, 2548422, 2831580, 4247370, 5096844, 6371055, 8494740, 12742110, 25484220]

約数ペア:

[(1, 25484220), (2, 12742110), (3, 8494740), (4, 6371055), (5, 5096844), (6, 4247370), (9, 2831580), (10, 2548422), (12, 2123685), (15, 1698948), (18, 1415790), (20, 1274211), (27, 943860), (30, 849474), (36, 707895), (45, 566316), (54, 471930), (60, 424737), (81, 314620), (90, 283158), (108, 235965), (135, 188772), (162, 157310), (180, 141579), (270, 94386), (324, 78655), (405, 62924), (540, 47193), (810, 31462), (1620, 15731)]