13071640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 31881600

約数和(自身を除く): 18809960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 409, 470, 680, 799, 818, 940, 1598, 1636, 1880, 2045, 3196, 3272, 3995, 4090, 6392, 6953, 7990, 8180, 13906, 15980, 16360, 19223, 27812, 31960, 34765, 38446, 55624, 69530, 76892, 96115, 139060, 153784, 192230, 278120, 326791, 384460, 653582, 768920, 1307164, 1633955, 2614328, 3267910, 6535820, 13071640]

約数ペア:

[(1, 13071640), (2, 6535820), (4, 3267910), (5, 2614328), (8, 1633955), (10, 1307164), (17, 768920), (20, 653582), (34, 384460), (40, 326791), (47, 278120), (68, 192230), (85, 153784), (94, 139060), (136, 96115), (170, 76892), (188, 69530), (235, 55624), (340, 38446), (376, 34765), (409, 31960), (470, 27812), (680, 19223), (799, 16360), (818, 15980), (940, 13906), (1598, 8180), (1636, 7990), (1880, 6953), (2045, 6392), (3196, 4090), (3272, 3995)]