12691240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16699}}^1$

素因数の和:16729

約数の個数: 32

約数和(自身を含む): 30060000

約数和(自身を除く): 17368760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 16699, 33398, 66796, 83495, 133592, 166990, 317281, 333980, 634562, 667960, 1269124, 1586405, 2538248, 3172810, 6345620, 12691240]

約数ペア:

[(1, 12691240), (2, 6345620), (4, 3172810), (5, 2538248), (8, 1586405), (10, 1269124), (19, 667960), (20, 634562), (38, 333980), (40, 317281), (76, 166990), (95, 133592), (152, 83495), (190, 66796), (380, 33398), (760, 16699)]