31119680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1327

約数の個数: 56

約数和(自身を含む): 75102720

約数和(自身を除く): 43983040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1231, 1264, 1580, 2462, 2528, 3160, 4924, 5056, 6155, 6320, 9848, 12310, 12640, 19696, 24620, 25280, 39392, 49240, 78784, 97249, 98480, 194498, 196960, 388996, 393920, 486245, 777992, 972490, 1555984, 1944980, 3111968, 3889960, 6223936, 7779920, 15559840, 31119680]

約数ペア:

[(1, 31119680), (2, 15559840), (4, 7779920), (5, 6223936), (8, 3889960), (10, 3111968), (16, 1944980), (20, 1555984), (32, 972490), (40, 777992), (64, 486245), (79, 393920), (80, 388996), (158, 196960), (160, 194498), (316, 98480), (320, 97249), (395, 78784), (632, 49240), (790, 39392), (1231, 25280), (1264, 24620), (1580, 19696), (2462, 12640), (2528, 12310), (3160, 9848), (4924, 6320), (5056, 6155)]