51243940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1429}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 118198080

約数和(自身を除く): 66954140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1429, 1630, 1793, 2858, 3260, 3586, 5716, 7145, 7172, 8965, 14290, 15719, 17930, 28580, 31438, 35860, 62876, 78595, 157190, 232927, 314380, 465854, 931708, 1164635, 2329270, 2562197, 4658540, 5124394, 10248788, 12810985, 25621970, 51243940]

約数ペア:

[(1, 51243940), (2, 25621970), (4, 12810985), (5, 10248788), (10, 5124394), (11, 4658540), (20, 2562197), (22, 2329270), (44, 1164635), (55, 931708), (110, 465854), (163, 314380), (220, 232927), (326, 157190), (652, 78595), (815, 62876), (1429, 35860), (1630, 31438), (1793, 28580), (2858, 17930), (3260, 15719), (3586, 14290), (5716, 8965), (7145, 7172)]