1330453240

素因数分解:

$2^3\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{17387}}^1$

素因数の和:19311

約数の個数: 32

約数和(自身を含む): 2995256880

約数和(自身を除く): 1664803640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1913, 3826, 7652, 9565, 15304, 17387, 19130, 34774, 38260, 69548, 76520, 86935, 139096, 173870, 347740, 695480, 33261331, 66522662, 133045324, 166306655, 266090648, 332613310, 665226620, 1330453240]

約数ペア:

[(1, 1330453240), (2, 665226620), (4, 332613310), (5, 266090648), (8, 166306655), (10, 133045324), (20, 66522662), (40, 33261331), (1913, 695480), (3826, 347740), (7652, 173870), (9565, 139096), (15304, 86935), (17387, 76520), (19130, 69548), (34774, 38260)]