28916360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65719}}^1$

素因数の和:65741

約数の個数: 32

約数和(自身を含む): 70977600

約数和(自身を除く): 42061240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65719, 131438, 262876, 328595, 525752, 657190, 722909, 1314380, 1445818, 2628760, 2891636, 3614545, 5783272, 7229090, 14458180, 28916360]

約数ペア:

[(1, 28916360), (2, 14458180), (4, 7229090), (5, 5783272), (8, 3614545), (10, 2891636), (11, 2628760), (20, 1445818), (22, 1314380), (40, 722909), (44, 657190), (55, 525752), (88, 328595), (110, 262876), (220, 131438), (440, 65719)]