79478200

素因数分解:

$2^3\times 5^2\times {\mathrm{401}}^1\times {\mathrm{991}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 185434560

約数和(自身を除く): 105956360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401, 802, 991, 1604, 1982, 2005, 3208, 3964, 4010, 4955, 7928, 8020, 9910, 10025, 16040, 19820, 20050, 24775, 39640, 40100, 49550, 80200, 99100, 198200, 397391, 794782, 1589564, 1986955, 3179128, 3973910, 7947820, 9934775, 15895640, 19869550, 39739100, 79478200]

約数ペア:

[(1, 79478200), (2, 39739100), (4, 19869550), (5, 15895640), (8, 9934775), (10, 7947820), (20, 3973910), (25, 3179128), (40, 1986955), (50, 1589564), (100, 794782), (200, 397391), (401, 198200), (802, 99100), (991, 80200), (1604, 49550), (1982, 40100), (2005, 39640), (3208, 24775), (3964, 20050), (4010, 19820), (4955, 16040), (7928, 10025), (8020, 9910)]