28066940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 64925280

約数和(自身を除く): 36858340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1129, 1130, 1243, 2258, 2260, 2486, 4516, 4972, 5645, 6215, 11290, 12419, 12430, 22580, 24838, 24860, 49676, 62095, 124190, 127577, 248380, 255154, 510308, 637885, 1275770, 1403347, 2551540, 2806694, 5613388, 7016735, 14033470, 28066940]

約数ペア:

[(1, 28066940), (2, 14033470), (4, 7016735), (5, 5613388), (10, 2806694), (11, 2551540), (20, 1403347), (22, 1275770), (44, 637885), (55, 510308), (110, 255154), (113, 248380), (220, 127577), (226, 124190), (452, 62095), (565, 49676), (1129, 24860), (1130, 24838), (1243, 22580), (2258, 12430), (2260, 12419), (2486, 11290), (4516, 6215), (4972, 5645)]