1357880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 3099600

約数和(自身を除く): 1741720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 409, 415, 664, 818, 830, 1636, 1660, 2045, 3272, 3320, 4090, 8180, 16360, 33947, 67894, 135788, 169735, 271576, 339470, 678940, 1357880]

約数ペア:

[(1, 1357880), (2, 678940), (4, 339470), (5, 271576), (8, 169735), (10, 135788), (20, 67894), (40, 33947), (83, 16360), (166, 8180), (332, 4090), (409, 3320), (415, 3272), (664, 2045), (818, 1660), (830, 1636)]