40521650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 83827968

約数和(自身を除く): 43306318

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2011, 2015, 4022, 4030, 10055, 10075, 20110, 20150, 26143, 50275, 52286, 62341, 100550, 124682, 130715, 261430, 311705, 623410, 653575, 810433, 1307150, 1558525, 1620866, 3117050, 4052165, 8104330, 20260825, 40521650]

約数ペア:

[(1, 40521650), (2, 20260825), (5, 8104330), (10, 4052165), (13, 3117050), (25, 1620866), (26, 1558525), (31, 1307150), (50, 810433), (62, 653575), (65, 623410), (130, 311705), (155, 261430), (310, 130715), (325, 124682), (403, 100550), (650, 62341), (775, 52286), (806, 50275), (1550, 26143), (2011, 20150), (2015, 20110), (4022, 10075), (4030, 10055)]