801194920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1949}}^1$

素因数の和:2242

約数の個数: 64

約数和(自身を含む): 1853280000

約数和(自身を除く): 1052085080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 239, 344, 430, 478, 860, 956, 1195, 1720, 1912, 1949, 2390, 3898, 4780, 7796, 9560, 9745, 10277, 15592, 19490, 20554, 38980, 41108, 51385, 77960, 82216, 83807, 102770, 167614, 205540, 335228, 411080, 419035, 465811, 670456, 838070, 931622, 1676140, 1863244, 2329055, 3352280, 3726488, 4658110, 9316220, 18632440, 20029873, 40059746, 80119492, 100149365, 160238984, 200298730, 400597460, 801194920]

約数ペア:

[(1, 801194920), (2, 400597460), (4, 200298730), (5, 160238984), (8, 100149365), (10, 80119492), (20, 40059746), (40, 20029873), (43, 18632440), (86, 9316220), (172, 4658110), (215, 3726488), (239, 3352280), (344, 2329055), (430, 1863244), (478, 1676140), (860, 931622), (956, 838070), (1195, 670456), (1720, 465811), (1912, 419035), (1949, 411080), (2390, 335228), (3898, 205540), (4780, 167614), (7796, 102770), (9560, 83807), (9745, 82216), (10277, 77960), (15592, 51385), (19490, 41108), (20554, 38980)]