8957620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 21732480

約数和(自身を除く): 12774860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 587, 763, 1090, 1174, 1526, 2180, 2348, 2935, 3052, 3815, 4109, 5870, 7630, 8218, 11740, 15260, 16436, 20545, 41090, 63983, 82180, 127966, 255932, 319915, 447881, 639830, 895762, 1279660, 1791524, 2239405, 4478810, 8957620]

約数ペア:

[(1, 8957620), (2, 4478810), (4, 2239405), (5, 1791524), (7, 1279660), (10, 895762), (14, 639830), (20, 447881), (28, 319915), (35, 255932), (70, 127966), (109, 82180), (140, 63983), (218, 41090), (436, 20545), (545, 16436), (587, 15260), (763, 11740), (1090, 8218), (1174, 7630), (1526, 5870), (2180, 4109), (2348, 3815), (2935, 3052)]