51585680

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4639}}^1$

素因数の和:4791

約数の個数: 40

約数和(自身を含む): 120825600

約数和(自身を除く): 69239920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 4639, 5560, 9278, 11120, 18556, 23195, 37112, 46390, 74224, 92780, 185560, 371120, 644821, 1289642, 2579284, 3224105, 5158568, 6448210, 10317136, 12896420, 25792840, 51585680]

約数ペア:

[(1, 51585680), (2, 25792840), (4, 12896420), (5, 10317136), (8, 6448210), (10, 5158568), (16, 3224105), (20, 2579284), (40, 1289642), (80, 644821), (139, 371120), (278, 185560), (556, 92780), (695, 74224), (1112, 46390), (1390, 37112), (2224, 23195), (2780, 18556), (4639, 11120), (5560, 9278)]