1391080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 3175200

約数和(自身を除く): 1784120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 419, 664, 830, 838, 1660, 1676, 2095, 3320, 3352, 4190, 8380, 16760, 34777, 69554, 139108, 173885, 278216, 347770, 695540, 1391080]

約数ペア:

[(1, 1391080), (2, 695540), (4, 347770), (5, 278216), (8, 173885), (10, 139108), (20, 69554), (40, 34777), (83, 16760), (166, 8380), (332, 4190), (415, 3352), (419, 3320), (664, 2095), (830, 1676), (838, 1660)]