26227880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 68912640

約数和(自身を除く): 42684760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 1993, 2632, 3290, 3986, 6580, 7972, 9965, 13160, 13951, 15944, 19930, 27902, 39860, 55804, 69755, 79720, 93671, 111608, 139510, 187342, 279020, 374684, 468355, 558040, 655697, 749368, 936710, 1311394, 1873420, 2622788, 3278485, 3746840, 5245576, 6556970, 13113940, 26227880]

約数ペア:

[(1, 26227880), (2, 13113940), (4, 6556970), (5, 5245576), (7, 3746840), (8, 3278485), (10, 2622788), (14, 1873420), (20, 1311394), (28, 936710), (35, 749368), (40, 655697), (47, 558040), (56, 468355), (70, 374684), (94, 279020), (140, 187342), (188, 139510), (235, 111608), (280, 93671), (329, 79720), (376, 69755), (470, 55804), (658, 39860), (940, 27902), (1316, 19930), (1645, 15944), (1880, 13951), (1993, 13160), (2632, 9965), (3290, 7972), (3986, 6580)]