86842780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{140069}}^1$

素因数の和:140109

約数の個数: 24

約数和(自身を含む): 188254080

約数和(自身を除く): 101411300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 140069, 280138, 560276, 700345, 1400690, 2801380, 4342139, 8684278, 17368556, 21710695, 43421390, 86842780]

約数ペア:

[(1, 86842780), (2, 43421390), (4, 21710695), (5, 17368556), (10, 8684278), (20, 4342139), (31, 2801380), (62, 1400690), (124, 700345), (155, 560276), (310, 280138), (620, 140069)]