85997720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 201277440

約数和(自身を除く): 115279720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 248, 310, 311, 446, 620, 622, 892, 1115, 1240, 1244, 1555, 1784, 2230, 2488, 3110, 4460, 6220, 6913, 8920, 9641, 12440, 13826, 19282, 27652, 34565, 38564, 48205, 55304, 69130, 69353, 77128, 96410, 138260, 138706, 192820, 276520, 277412, 346765, 385640, 554824, 693530, 1387060, 2149943, 2774120, 4299886, 8599772, 10749715, 17199544, 21499430, 42998860, 85997720]

約数ペア:

[(1, 85997720), (2, 42998860), (4, 21499430), (5, 17199544), (8, 10749715), (10, 8599772), (20, 4299886), (31, 2774120), (40, 2149943), (62, 1387060), (124, 693530), (155, 554824), (223, 385640), (248, 346765), (310, 277412), (311, 276520), (446, 192820), (620, 138706), (622, 138260), (892, 96410), (1115, 77128), (1240, 69353), (1244, 69130), (1555, 55304), (1784, 48205), (2230, 38564), (2488, 34565), (3110, 27652), (4460, 19282), (6220, 13826), (6913, 12440), (8920, 9641)]