40380320

素因数分解:

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

素因数の和:430

約数の個数: 96

約数和(自身を含む): 103420800

約数和(自身を除く): 63040480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 359, 370, 380, 592, 608, 703, 718, 740, 760, 1184, 1406, 1436, 1480, 1520, 1795, 2812, 2872, 2960, 3040, 3515, 3590, 5624, 5744, 5920, 6821, 7030, 7180, 11248, 11488, 13283, 13642, 14060, 14360, 22496, 26566, 27284, 28120, 28720, 34105, 53132, 54568, 56240, 57440, 66415, 68210, 106264, 109136, 112480, 132830, 136420, 212528, 218272, 252377, 265660, 272840, 425056, 504754, 531320, 545680, 1009508, 1062640, 1091360, 1261885, 2019016, 2125280, 2523770, 4038032, 5047540, 8076064, 10095080, 20190160, 40380320]

約数ペア:

[(1, 40380320), (2, 20190160), (4, 10095080), (5, 8076064), (8, 5047540), (10, 4038032), (16, 2523770), (19, 2125280), (20, 2019016), (32, 1261885), (37, 1091360), (38, 1062640), (40, 1009508), (74, 545680), (76, 531320), (80, 504754), (95, 425056), (148, 272840), (152, 265660), (160, 252377), (185, 218272), (190, 212528), (296, 136420), (304, 132830), (359, 112480), (370, 109136), (380, 106264), (592, 68210), (608, 66415), (703, 57440), (718, 56240), (740, 54568), (760, 53132), (1184, 34105), (1406, 28720), (1436, 28120), (1480, 27284), (1520, 26566), (1795, 22496), (2812, 14360), (2872, 14060), (2960, 13642), (3040, 13283), (3515, 11488), (3590, 11248), (5624, 7180), (5744, 7030), (5920, 6821)]