9061820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 20024928

約数和(自身を除く): 10963108

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 257, 410, 430, 514, 820, 860, 1028, 1285, 1763, 2570, 3526, 5140, 7052, 8815, 10537, 11051, 17630, 21074, 22102, 35260, 42148, 44204, 52685, 55255, 105370, 110510, 210740, 221020, 453091, 906182, 1812364, 2265455, 4530910, 9061820]

約数ペア:

[(1, 9061820), (2, 4530910), (4, 2265455), (5, 1812364), (10, 906182), (20, 453091), (41, 221020), (43, 210740), (82, 110510), (86, 105370), (164, 55255), (172, 52685), (205, 44204), (215, 42148), (257, 35260), (410, 22102), (430, 21074), (514, 17630), (820, 11051), (860, 10537), (1028, 8815), (1285, 7052), (1763, 5140), (2570, 3526)]