31947920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 78744960

約数和(自身を除く): 46797040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 179, 184, 194, 230, 358, 368, 388, 460, 485, 716, 776, 895, 920, 970, 1432, 1552, 1790, 1840, 1940, 2231, 2864, 3580, 3880, 4117, 4462, 7160, 7760, 8234, 8924, 11155, 14320, 16468, 17363, 17848, 20585, 22310, 32936, 34726, 35696, 41170, 44620, 65872, 69452, 82340, 86815, 89240, 138904, 164680, 173630, 178480, 277808, 329360, 347260, 399349, 694520, 798698, 1389040, 1597396, 1996745, 3194792, 3993490, 6389584, 7986980, 15973960, 31947920]

約数ペア:

[(1, 31947920), (2, 15973960), (4, 7986980), (5, 6389584), (8, 3993490), (10, 3194792), (16, 1996745), (20, 1597396), (23, 1389040), (40, 798698), (46, 694520), (80, 399349), (92, 347260), (97, 329360), (115, 277808), (179, 178480), (184, 173630), (194, 164680), (230, 138904), (358, 89240), (368, 86815), (388, 82340), (460, 69452), (485, 65872), (716, 44620), (776, 41170), (895, 35696), (920, 34726), (970, 32936), (1432, 22310), (1552, 20585), (1790, 17848), (1840, 17363), (1940, 16468), (2231, 14320), (2864, 11155), (3580, 8924), (3880, 8234), (4117, 7760), (4462, 7160)]