65250280

素因数分解:

$2^3\times 5^1\times {\mathrm{1631257}}^1$

素因数の和:1631268

約数の個数: 16

約数和(自身を含む): 146813220

約数和(自身を除く): 81562940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1631257, 3262514, 6525028, 8156285, 13050056, 16312570, 32625140, 65250280]

約数ペア:

[(1, 65250280), (2, 32625140), (4, 16312570), (5, 13050056), (8, 8156285), (10, 6525028), (20, 3262514), (40, 1631257)]