20190160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 50889600

約数和(自身を除く): 30699440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 359, 370, 380, 592, 703, 718, 740, 760, 1406, 1436, 1480, 1520, 1795, 2812, 2872, 2960, 3515, 3590, 5624, 5744, 6821, 7030, 7180, 11248, 13283, 13642, 14060, 14360, 26566, 27284, 28120, 28720, 34105, 53132, 54568, 56240, 66415, 68210, 106264, 109136, 132830, 136420, 212528, 252377, 265660, 272840, 504754, 531320, 545680, 1009508, 1062640, 1261885, 2019016, 2523770, 4038032, 5047540, 10095080, 20190160]

約数ペア:

[(1, 20190160), (2, 10095080), (4, 5047540), (5, 4038032), (8, 2523770), (10, 2019016), (16, 1261885), (19, 1062640), (20, 1009508), (37, 545680), (38, 531320), (40, 504754), (74, 272840), (76, 265660), (80, 252377), (95, 212528), (148, 136420), (152, 132830), (185, 109136), (190, 106264), (296, 68210), (304, 66415), (359, 56240), (370, 54568), (380, 53132), (592, 34105), (703, 28720), (718, 28120), (740, 27284), (760, 26566), (1406, 14360), (1436, 14060), (1480, 13642), (1520, 13283), (1795, 11248), (2812, 7180), (2872, 7030), (2960, 6821), (3515, 5744), (3590, 5624)]