121324760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{21821}}^1$

素因数の和:21971

約数の個数: 32

約数和(自身を含む): 274957200

約数和(自身を除く): 153632440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 21821, 43642, 87284, 109105, 174568, 218210, 436420, 872840, 3033119, 6066238, 12132476, 15165595, 24264952, 30331190, 60662380, 121324760]

約数ペア:

[(1, 121324760), (2, 60662380), (4, 30331190), (5, 24264952), (8, 15165595), (10, 12132476), (20, 6066238), (40, 3033119), (139, 872840), (278, 436420), (556, 218210), (695, 174568), (1112, 109105), (1390, 87284), (2780, 43642), (5560, 21821)]