53720720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4831}}^1$

素因数の和:4983

約数の個数: 40

約数和(自身を含む): 125825280

約数和(自身を除く): 72104560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 4831, 5560, 9662, 11120, 19324, 24155, 38648, 48310, 77296, 96620, 193240, 386480, 671509, 1343018, 2686036, 3357545, 5372072, 6715090, 10744144, 13430180, 26860360, 53720720]

約数ペア:

[(1, 53720720), (2, 26860360), (4, 13430180), (5, 10744144), (8, 6715090), (10, 5372072), (16, 3357545), (20, 2686036), (40, 1343018), (80, 671509), (139, 386480), (278, 193240), (556, 96620), (695, 77296), (1112, 48310), (1390, 38648), (2224, 24155), (2780, 19324), (4831, 11120), (5560, 9662)]