51496720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 131866560

約数和(自身を除く): 80369840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 421, 440, 556, 695, 842, 880, 1112, 1390, 1529, 1684, 2105, 2224, 2780, 3058, 3368, 4210, 4631, 5560, 6116, 6736, 7645, 8420, 9262, 11120, 12232, 15290, 16840, 18524, 23155, 24464, 30580, 33680, 37048, 46310, 58519, 61160, 74096, 92620, 117038, 122320, 185240, 234076, 292595, 370480, 468152, 585190, 643709, 936304, 1170380, 1287418, 2340760, 2574836, 3218545, 4681520, 5149672, 6437090, 10299344, 12874180, 25748360, 51496720]

約数ペア:

[(1, 51496720), (2, 25748360), (4, 12874180), (5, 10299344), (8, 6437090), (10, 5149672), (11, 4681520), (16, 3218545), (20, 2574836), (22, 2340760), (40, 1287418), (44, 1170380), (55, 936304), (80, 643709), (88, 585190), (110, 468152), (139, 370480), (176, 292595), (220, 234076), (278, 185240), (421, 122320), (440, 117038), (556, 92620), (695, 74096), (842, 61160), (880, 58519), (1112, 46310), (1390, 37048), (1529, 33680), (1684, 30580), (2105, 24464), (2224, 23155), (2780, 18524), (3058, 16840), (3368, 15290), (4210, 12232), (4631, 11120), (5560, 9262), (6116, 8420), (6736, 7645)]