16040804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 30974580

約数和(自身を除く): 14933776

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 389, 676, 778, 793, 1556, 1586, 3172, 5057, 10114, 10309, 20228, 20618, 23729, 41236, 47458, 65741, 94916, 131482, 262964, 308477, 616954, 1233908, 4010201, 8020402, 16040804]

約数ペア:

[(1, 16040804), (2, 8020402), (4, 4010201), (13, 1233908), (26, 616954), (52, 308477), (61, 262964), (122, 131482), (169, 94916), (244, 65741), (338, 47458), (389, 41236), (676, 23729), (778, 20618), (793, 20228), (1556, 10309), (1586, 10114), (3172, 5057)]