28377160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101347}}^1$

素因数の和:101365

約数の個数: 32

約数和(自身を含む): 72970560

約数和(自身を除く): 44593400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101347, 202694, 405388, 506735, 709429, 810776, 1013470, 1418858, 2026940, 2837716, 3547145, 4053880, 5675432, 7094290, 14188580, 28377160]

約数ペア:

[(1, 28377160), (2, 14188580), (4, 7094290), (5, 5675432), (7, 4053880), (8, 3547145), (10, 2837716), (14, 2026940), (20, 1418858), (28, 1013470), (35, 810776), (40, 709429), (56, 506735), (70, 405388), (140, 202694), (280, 101347)]