51740840

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7477}}^1$

素因数の和:7661

約数の個数: 32

約数和(自身を含む): 117105480

約数和(自身を除く): 65364640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 7477, 14954, 29908, 37385, 59816, 74770, 149540, 299080, 1293521, 2587042, 5174084, 6467605, 10348168, 12935210, 25870420, 51740840]

約数ペア:

[(1, 51740840), (2, 25870420), (4, 12935210), (5, 10348168), (8, 6467605), (10, 5174084), (20, 2587042), (40, 1293521), (173, 299080), (346, 149540), (692, 74770), (865, 59816), (1384, 37385), (1730, 29908), (3460, 14954), (6920, 7477)]