1337432680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{470927}}^1$

素因数の和:471009

約数の個数: 32

約数和(自身を含む): 3051613440

約数和(自身を除く): 1714180760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 470927, 941854, 1883708, 2354635, 3767416, 4709270, 9418540, 18837080, 33435817, 66871634, 133743268, 167179085, 267486536, 334358170, 668716340, 1337432680]

約数ペア:

[(1, 1337432680), (2, 668716340), (4, 334358170), (5, 267486536), (8, 167179085), (10, 133743268), (20, 66871634), (40, 33435817), (71, 18837080), (142, 9418540), (284, 4709270), (355, 3767416), (568, 2354635), (710, 1883708), (1420, 941854), (2840, 470927)]