28103655920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1\times {\mathrm{4231}}^1$

素因数の和:5374

約数の個数: 80

約数和(自身を含む): 66246712320

約数和(自身を除く): 38143056400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1051, 1264, 1580, 2102, 3160, 4204, 4231, 5255, 6320, 8408, 8462, 10510, 16816, 16924, 21020, 21155, 33848, 42040, 42310, 67696, 83029, 84080, 84620, 166058, 169240, 332116, 334249, 338480, 415145, 664232, 668498, 830290, 1328464, 1336996, 1660580, 1671245, 2673992, 3321160, 3342490, 4446781, 5347984, 6642320, 6684980, 8893562, 13369960, 17787124, 22233905, 26739920, 35574248, 44467810, 71148496, 88935620, 177871240, 351295699, 355742480, 702591398, 1405182796, 1756478495, 2810365592, 3512956990, 5620731184, 7025913980, 14051827960, 28103655920]

約数ペア:

[(1, 28103655920), (2, 14051827960), (4, 7025913980), (5, 5620731184), (8, 3512956990), (10, 2810365592), (16, 1756478495), (20, 1405182796), (40, 702591398), (79, 355742480), (80, 351295699), (158, 177871240), (316, 88935620), (395, 71148496), (632, 44467810), (790, 35574248), (1051, 26739920), (1264, 22233905), (1580, 17787124), (2102, 13369960), (3160, 8893562), (4204, 6684980), (4231, 6642320), (5255, 5347984), (6320, 4446781), (8408, 3342490), (8462, 3321160), (10510, 2673992), (16816, 1671245), (16924, 1660580), (21020, 1336996), (21155, 1328464), (33848, 830290), (42040, 668498), (42310, 664232), (67696, 415145), (83029, 338480), (84080, 334249), (84620, 332116), (166058, 169240)]