83997580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 181621440

約数和(自身を除く): 97623860

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 265, 436, 530, 545, 727, 1060, 1090, 1454, 2180, 2908, 3635, 5777, 7270, 11554, 14540, 23108, 28885, 38531, 57770, 77062, 79243, 115540, 154124, 158486, 192655, 316972, 385310, 396215, 770620, 792430, 1584860, 4199879, 8399758, 16799516, 20999395, 41998790, 83997580]

約数ペア:

[(1, 83997580), (2, 41998790), (4, 20999395), (5, 16799516), (10, 8399758), (20, 4199879), (53, 1584860), (106, 792430), (109, 770620), (212, 396215), (218, 385310), (265, 316972), (436, 192655), (530, 158486), (545, 154124), (727, 115540), (1060, 79243), (1090, 77062), (1454, 57770), (2180, 38531), (2908, 28885), (3635, 23108), (5777, 14540), (7270, 11554)]