20184490250

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{2287}}^1$

素因数の和:3168

約数の個数: 64

約数和(自身を含む): 38728115712

約数和(自身を除く): 18543625462

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 821, 1075, 1642, 2150, 2287, 4105, 4574, 5375, 8210, 10750, 11435, 20525, 22870, 35303, 41050, 57175, 70606, 98341, 102625, 114350, 176515, 196682, 205250, 285875, 353030, 491705, 571750, 882575, 983410, 1765150, 1877627, 2458525, 3755254, 4412875, 4917050, 8825750, 9388135, 12292625, 18776270, 24585250, 46940675, 80737961, 93881350, 161475922, 234703375, 403689805, 469406750, 807379610, 2018449025, 4036898050, 10092245125, 20184490250]

約数ペア:

[(1, 20184490250), (2, 10092245125), (5, 4036898050), (10, 2018449025), (25, 807379610), (43, 469406750), (50, 403689805), (86, 234703375), (125, 161475922), (215, 93881350), (250, 80737961), (430, 46940675), (821, 24585250), (1075, 18776270), (1642, 12292625), (2150, 9388135), (2287, 8825750), (4105, 4917050), (4574, 4412875), (5375, 3755254), (8210, 2458525), (10750, 1877627), (11435, 1765150), (20525, 983410), (22870, 882575), (35303, 571750), (41050, 491705), (57175, 353030), (70606, 285875), (98341, 205250), (102625, 196682), (114350, 176515)]