8114680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 21205440

約数和(自身を除く): 13090760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 397, 511, 584, 730, 794, 1022, 1460, 1588, 1985, 2044, 2555, 2779, 2920, 3176, 3970, 4088, 5110, 5558, 7940, 10220, 11116, 13895, 15880, 20440, 22232, 27790, 28981, 55580, 57962, 111160, 115924, 144905, 202867, 231848, 289810, 405734, 579620, 811468, 1014335, 1159240, 1622936, 2028670, 4057340, 8114680]

約数ペア:

[(1, 8114680), (2, 4057340), (4, 2028670), (5, 1622936), (7, 1159240), (8, 1014335), (10, 811468), (14, 579620), (20, 405734), (28, 289810), (35, 231848), (40, 202867), (56, 144905), (70, 115924), (73, 111160), (140, 57962), (146, 55580), (280, 28981), (292, 27790), (365, 22232), (397, 20440), (511, 15880), (584, 13895), (730, 11116), (794, 10220), (1022, 7940), (1460, 5558), (1588, 5110), (1985, 4088), (2044, 3970), (2555, 3176), (2779, 2920)]