40457920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^2\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 84

約数和(自身を含む): 101132640

約数和(自身を除く): 60674720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 239, 320, 368, 460, 478, 529, 736, 920, 956, 1058, 1195, 1472, 1840, 1912, 2116, 2390, 2645, 3680, 3824, 4232, 4780, 5290, 5497, 7360, 7648, 8464, 9560, 10580, 10994, 15296, 16928, 19120, 21160, 21988, 27485, 33856, 38240, 42320, 43976, 54970, 76480, 84640, 87952, 109940, 126431, 169280, 175904, 219880, 252862, 351808, 439760, 505724, 632155, 879520, 1011448, 1264310, 1759040, 2022896, 2528620, 4045792, 5057240, 8091584, 10114480, 20228960, 40457920]

約数ペア:

[(1, 40457920), (2, 20228960), (4, 10114480), (5, 8091584), (8, 5057240), (10, 4045792), (16, 2528620), (20, 2022896), (23, 1759040), (32, 1264310), (40, 1011448), (46, 879520), (64, 632155), (80, 505724), (92, 439760), (115, 351808), (160, 252862), (184, 219880), (230, 175904), (239, 169280), (320, 126431), (368, 109940), (460, 87952), (478, 84640), (529, 76480), (736, 54970), (920, 43976), (956, 42320), (1058, 38240), (1195, 33856), (1472, 27485), (1840, 21988), (1912, 21160), (2116, 19120), (2390, 16928), (2645, 15296), (3680, 10994), (3824, 10580), (4232, 9560), (4780, 8464), (5290, 7648), (5497, 7360)]