1643038840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1\times {\mathrm{1123}}^1$

素因数の和:1676

約数の個数: 64

約数和(自身を含む): 3755059200

約数和(自身を除く): 2112020360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 463, 632, 790, 926, 1123, 1580, 1852, 2246, 2315, 3160, 3704, 4492, 4630, 5615, 8984, 9260, 11230, 18520, 22460, 36577, 44920, 73154, 88717, 146308, 177434, 182885, 292616, 354868, 365770, 443585, 519949, 709736, 731540, 887170, 1039898, 1463080, 1774340, 2079796, 2599745, 3548680, 4159592, 5199490, 10398980, 20797960, 41075971, 82151942, 164303884, 205379855, 328607768, 410759710, 821519420, 1643038840]

約数ペア:

[(1, 1643038840), (2, 821519420), (4, 410759710), (5, 328607768), (8, 205379855), (10, 164303884), (20, 82151942), (40, 41075971), (79, 20797960), (158, 10398980), (316, 5199490), (395, 4159592), (463, 3548680), (632, 2599745), (790, 2079796), (926, 1774340), (1123, 1463080), (1580, 1039898), (1852, 887170), (2246, 731540), (2315, 709736), (3160, 519949), (3704, 443585), (4492, 365770), (4630, 354868), (5615, 292616), (8984, 182885), (9260, 177434), (11230, 146308), (18520, 88717), (22460, 73154), (36577, 44920)]