205536220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{123817}}^1$

素因数の和:123909

約数の個数: 24

約数和(自身を含む): 436829904

約数和(自身を除く): 231293684

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 123817, 247634, 495268, 619085, 1238170, 2476340, 10276811, 20553622, 41107244, 51384055, 102768110, 205536220]

約数ペア:

[(1, 205536220), (2, 102768110), (4, 51384055), (5, 41107244), (10, 20553622), (20, 10276811), (83, 2476340), (166, 1238170), (332, 619085), (415, 495268), (830, 247634), (1660, 123817)]