31848140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 72358272

約数和(自身を除く): 40510132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1993, 3196, 3986, 3995, 7972, 7990, 9965, 15980, 19930, 33881, 39860, 67762, 93671, 135524, 169405, 187342, 338810, 374684, 468355, 677620, 936710, 1592407, 1873420, 3184814, 6369628, 7962035, 15924070, 31848140]

約数ペア:

[(1, 31848140), (2, 15924070), (4, 7962035), (5, 6369628), (10, 3184814), (17, 1873420), (20, 1592407), (34, 936710), (47, 677620), (68, 468355), (85, 374684), (94, 338810), (170, 187342), (188, 169405), (235, 135524), (340, 93671), (470, 67762), (799, 39860), (940, 33881), (1598, 19930), (1993, 15980), (3196, 9965), (3986, 7990), (3995, 7972)]