16189540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 19453340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 271, 290, 412, 515, 542, 580, 1030, 1084, 1355, 2060, 2710, 2987, 5420, 5974, 7859, 11948, 14935, 15718, 27913, 29870, 31436, 39295, 55826, 59740, 78590, 111652, 139565, 157180, 279130, 558260, 809477, 1618954, 3237908, 4047385, 8094770, 16189540]

約数ペア:

[(1, 16189540), (2, 8094770), (4, 4047385), (5, 3237908), (10, 1618954), (20, 809477), (29, 558260), (58, 279130), (103, 157180), (116, 139565), (145, 111652), (206, 78590), (271, 59740), (290, 55826), (412, 39295), (515, 31436), (542, 29870), (580, 27913), (1030, 15718), (1084, 14935), (1355, 11948), (2060, 7859), (2710, 5974), (2987, 5420)]