1996355080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{55889}}^1$

素因数の和:55966

約数の個数: 64

約数和(自身を含む): 4828896000

約数和(自身を除く): 2832540920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8930, 17860, 35720, 55889, 111778, 223556, 279445, 447112, 558890, 1061891, 1117780, 2123782, 2235560, 2626783, 4247564, 5253566, 5309455, 8495128, 10507132, 10618910, 13133915, 21014264, 21237820, 26267830, 42475640, 49908877, 52535660, 99817754, 105071320, 199635508, 249544385, 399271016, 499088770, 998177540, 1996355080]

約数ペア:

[(1, 1996355080), (2, 998177540), (4, 499088770), (5, 399271016), (8, 249544385), (10, 199635508), (19, 105071320), (20, 99817754), (38, 52535660), (40, 49908877), (47, 42475640), (76, 26267830), (94, 21237820), (95, 21014264), (152, 13133915), (188, 10618910), (190, 10507132), (235, 8495128), (376, 5309455), (380, 5253566), (470, 4247564), (760, 2626783), (893, 2235560), (940, 2123782), (1786, 1117780), (1880, 1061891), (3572, 558890), (4465, 447112), (7144, 279445), (8930, 223556), (17860, 111778), (35720, 55889)]