40686080

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:737

約数の個数: 80

約数和(自身を含む): 101939904

約数和(自身を除く): 61253824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 691, 736, 920, 1280, 1382, 1472, 1840, 2560, 2764, 2944, 3455, 3680, 5528, 5888, 6910, 7360, 11056, 11776, 13820, 14720, 15893, 22112, 27640, 29440, 31786, 44224, 55280, 58880, 63572, 79465, 88448, 110560, 127144, 158930, 176896, 221120, 254288, 317860, 353792, 442240, 508576, 635720, 884480, 1017152, 1271440, 1768960, 2034304, 2542880, 4068608, 5085760, 8137216, 10171520, 20343040, 40686080]

約数ペア:

[(1, 40686080), (2, 20343040), (4, 10171520), (5, 8137216), (8, 5085760), (10, 4068608), (16, 2542880), (20, 2034304), (23, 1768960), (32, 1271440), (40, 1017152), (46, 884480), (64, 635720), (80, 508576), (92, 442240), (115, 353792), (128, 317860), (160, 254288), (184, 221120), (230, 176896), (256, 158930), (320, 127144), (368, 110560), (460, 88448), (512, 79465), (640, 63572), (691, 58880), (736, 55280), (920, 44224), (1280, 31786), (1382, 29440), (1472, 27640), (1840, 22112), (2560, 15893), (2764, 14720), (2944, 13820), (3455, 11776), (3680, 11056), (5528, 7360), (5888, 6910)]