8523320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 21258720

約数和(自身を除く): 12735400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 443, 481, 520, 740, 886, 962, 1480, 1772, 1924, 2215, 2405, 3544, 3848, 4430, 4810, 5759, 8860, 9620, 11518, 16391, 17720, 19240, 23036, 28795, 32782, 46072, 57590, 65564, 81955, 115180, 131128, 163910, 213083, 230360, 327820, 426166, 655640, 852332, 1065415, 1704664, 2130830, 4261660, 8523320]

約数ペア:

[(1, 8523320), (2, 4261660), (4, 2130830), (5, 1704664), (8, 1065415), (10, 852332), (13, 655640), (20, 426166), (26, 327820), (37, 230360), (40, 213083), (52, 163910), (65, 131128), (74, 115180), (104, 81955), (130, 65564), (148, 57590), (185, 46072), (260, 32782), (296, 28795), (370, 23036), (443, 19240), (481, 17720), (520, 16391), (740, 11518), (886, 9620), (962, 8860), (1480, 5759), (1772, 4810), (1924, 4430), (2215, 3848), (2405, 3544)]