38941220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 88261488

約数和(自身を除く): 49320268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 2161, 3604, 4322, 4505, 8644, 9010, 10805, 18020, 21610, 36737, 43220, 73474, 114533, 146948, 183685, 229066, 367370, 458132, 572665, 734740, 1145330, 1947061, 2290660, 3894122, 7788244, 9735305, 19470610, 38941220]

約数ペア:

[(1, 38941220), (2, 19470610), (4, 9735305), (5, 7788244), (10, 3894122), (17, 2290660), (20, 1947061), (34, 1145330), (53, 734740), (68, 572665), (85, 458132), (106, 367370), (170, 229066), (212, 183685), (265, 146948), (340, 114533), (530, 73474), (901, 43220), (1060, 36737), (1802, 21610), (2161, 18020), (3604, 10805), (4322, 9010), (4505, 8644)]