156979020040

素因数分解:

$2^3\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{2051477}}^1$

素因数の和:2053401

約数の個数: 32

約数和(自身を含む): 353387600280

約数和(自身を除く): 196408580240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1913, 3826, 7652, 9565, 15304, 19130, 38260, 76520, 2051477, 4102954, 8205908, 10257385, 16411816, 20514770, 41029540, 82059080, 3924475501, 7848951002, 15697902004, 19622377505, 31395804008, 39244755010, 78489510020, 156979020040]

約数ペア:

[(1, 156979020040), (2, 78489510020), (4, 39244755010), (5, 31395804008), (8, 19622377505), (10, 15697902004), (20, 7848951002), (40, 3924475501), (1913, 82059080), (3826, 41029540), (7652, 20514770), (9565, 16411816), (15304, 10257385), (19130, 8205908), (38260, 4102954), (76520, 2051477)]