51120420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65539}}^1$

素因数の和:65564

約数の個数: 48

約数和(自身を含む): 154150080

約数和(自身を除く): 103029660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65539, 131078, 196617, 262156, 327695, 393234, 655390, 786468, 852007, 983085, 1310780, 1704014, 1966170, 2556021, 3408028, 3932340, 4260035, 5112042, 8520070, 10224084, 12780105, 17040140, 25560210, 51120420]

約数ペア:

[(1, 51120420), (2, 25560210), (3, 17040140), (4, 12780105), (5, 10224084), (6, 8520070), (10, 5112042), (12, 4260035), (13, 3932340), (15, 3408028), (20, 2556021), (26, 1966170), (30, 1704014), (39, 1310780), (52, 983085), (60, 852007), (65, 786468), (78, 655390), (130, 393234), (156, 327695), (195, 262156), (260, 196617), (390, 131078), (780, 65539)]