80577740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3727}}^1$

素因数の和:3806

約数の個数: 48

約数和(自身を含む): 180375552

約数和(自身を除く): 99797812

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 3727, 4324, 5405, 7454, 10810, 14908, 18635, 21620, 37270, 74540, 85721, 171442, 175169, 342884, 350338, 428605, 700676, 857210, 875845, 1714420, 1751690, 3503380, 4028887, 8057774, 16115548, 20144435, 40288870, 80577740]

約数ペア:

[(1, 80577740), (2, 40288870), (4, 20144435), (5, 16115548), (10, 8057774), (20, 4028887), (23, 3503380), (46, 1751690), (47, 1714420), (92, 875845), (94, 857210), (115, 700676), (188, 428605), (230, 350338), (235, 342884), (460, 175169), (470, 171442), (940, 85721), (1081, 74540), (2162, 37270), (3727, 21620), (4324, 18635), (5405, 14908), (7454, 10810)]