38823880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 90512640

約数和(自身を除く): 51688760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 107, 188, 193, 214, 235, 376, 386, 428, 470, 535, 772, 856, 940, 965, 1070, 1544, 1880, 1930, 2140, 3860, 4280, 5029, 7720, 9071, 10058, 18142, 20116, 20651, 25145, 36284, 40232, 41302, 45355, 50290, 72568, 82604, 90710, 100580, 103255, 165208, 181420, 201160, 206510, 362840, 413020, 826040, 970597, 1941194, 3882388, 4852985, 7764776, 9705970, 19411940, 38823880]

約数ペア:

[(1, 38823880), (2, 19411940), (4, 9705970), (5, 7764776), (8, 4852985), (10, 3882388), (20, 1941194), (40, 970597), (47, 826040), (94, 413020), (107, 362840), (188, 206510), (193, 201160), (214, 181420), (235, 165208), (376, 103255), (386, 100580), (428, 90710), (470, 82604), (535, 72568), (772, 50290), (856, 45355), (940, 41302), (965, 40232), (1070, 36284), (1544, 25145), (1880, 20651), (1930, 20116), (2140, 18142), (3860, 10058), (4280, 9071), (5029, 7720)]