28663580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1153}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 66304224

約数和(自身を除く): 37640644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1153, 1243, 2260, 2306, 2486, 4612, 4972, 5765, 6215, 11530, 12430, 12683, 23060, 24860, 25366, 50732, 63415, 126830, 130289, 253660, 260578, 521156, 651445, 1302890, 1433179, 2605780, 2866358, 5732716, 7165895, 14331790, 28663580]

約数ペア:

[(1, 28663580), (2, 14331790), (4, 7165895), (5, 5732716), (10, 2866358), (11, 2605780), (20, 1433179), (22, 1302890), (44, 651445), (55, 521156), (110, 260578), (113, 253660), (220, 130289), (226, 126830), (452, 63415), (565, 50732), (1130, 25366), (1153, 24860), (1243, 23060), (2260, 12683), (2306, 12430), (2486, 11530), (4612, 6215), (4972, 5765)]