28932920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23333}}^1$

素因数の和:23375

約数の個数: 32

約数和(自身を含む): 67201920

約数和(自身を除く): 38269000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23333, 46666, 93332, 116665, 186664, 233330, 466660, 723323, 933320, 1446646, 2893292, 3616615, 5786584, 7233230, 14466460, 28932920]

約数ペア:

[(1, 28932920), (2, 14466460), (4, 7233230), (5, 5786584), (8, 3616615), (10, 2893292), (20, 1446646), (31, 933320), (40, 723323), (62, 466660), (124, 233330), (155, 186664), (248, 116665), (310, 93332), (620, 46666), (1240, 23333)]