40741220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 93477888

約数和(自身を除く): 52736668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2207, 3692, 4414, 4615, 8828, 9230, 11035, 18460, 22070, 28691, 44140, 57382, 114764, 143455, 156697, 286910, 313394, 573820, 626788, 783485, 1566970, 2037061, 3133940, 4074122, 8148244, 10185305, 20370610, 40741220]

約数ペア:

[(1, 40741220), (2, 20370610), (4, 10185305), (5, 8148244), (10, 4074122), (13, 3133940), (20, 2037061), (26, 1566970), (52, 783485), (65, 626788), (71, 573820), (130, 313394), (142, 286910), (260, 156697), (284, 143455), (355, 114764), (710, 57382), (923, 44140), (1420, 28691), (1846, 22070), (2207, 18460), (3692, 11035), (4414, 9230), (4615, 8828)]