8904074120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1\times {\mathrm{5503}}^1$

素因数の和:7662

約数の個数: 64

約数和(自身を含む): 21102336000

約数和(自身を除く): 12198261880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2129, 4258, 5503, 8516, 10645, 11006, 17032, 21290, 22012, 27515, 40451, 42580, 44024, 55030, 80902, 85160, 104557, 110060, 161804, 202255, 209114, 220120, 323608, 404510, 418228, 522785, 809020, 836456, 1045570, 1618040, 2091140, 4182280, 11715887, 23431774, 46863548, 58579435, 93727096, 117158870, 222601853, 234317740, 445203706, 468635480, 890407412, 1113009265, 1780814824, 2226018530, 4452037060, 8904074120]

約数ペア:

[(1, 8904074120), (2, 4452037060), (4, 2226018530), (5, 1780814824), (8, 1113009265), (10, 890407412), (19, 468635480), (20, 445203706), (38, 234317740), (40, 222601853), (76, 117158870), (95, 93727096), (152, 58579435), (190, 46863548), (380, 23431774), (760, 11715887), (2129, 4182280), (4258, 2091140), (5503, 1618040), (8516, 1045570), (10645, 836456), (11006, 809020), (17032, 522785), (21290, 418228), (22012, 404510), (27515, 323608), (40451, 220120), (42580, 209114), (44024, 202255), (55030, 161804), (80902, 110060), (85160, 104557)]