102885140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{61979}}^1$

素因数の和:62071

約数の個数: 24

約数和(自身を含む): 218665440

約数和(自身を除く): 115780300

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 61979, 123958, 247916, 309895, 619790, 1239580, 5144257, 10288514, 20577028, 25721285, 51442570, 102885140]

約数ペア:

[(1, 102885140), (2, 51442570), (4, 25721285), (5, 20577028), (10, 10288514), (20, 5144257), (83, 1239580), (166, 619790), (332, 309895), (415, 247916), (830, 123958), (1660, 61979)]