65515691540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251983429}}^1$

素因数の和:251983451

約数の個数: 24

約数和(自身を含む): 148166256840

約数和(自身を除く): 82650565300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 251983429, 503966858, 1007933716, 1259917145, 2519834290, 3275784577, 5039668580, 6551569154, 13103138308, 16378922885, 32757845770, 65515691540]

約数ペア:

[(1, 65515691540), (2, 32757845770), (4, 16378922885), (5, 13103138308), (10, 6551569154), (13, 5039668580), (20, 3275784577), (26, 2519834290), (52, 1259917145), (65, 1007933716), (130, 503966858), (260, 251983429)]