65394320

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2909}}^1$

素因数の和:3203

約数の個数: 40

約数和(自身を含む): 152635320

約数和(自身を除く): 87241000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 2909, 4496, 5620, 5818, 11240, 11636, 14545, 22480, 23272, 29090, 46544, 58180, 116360, 232720, 817429, 1634858, 3269716, 4087145, 6539432, 8174290, 13078864, 16348580, 32697160, 65394320]

約数ペア:

[(1, 65394320), (2, 32697160), (4, 16348580), (5, 13078864), (8, 8174290), (10, 6539432), (16, 4087145), (20, 3269716), (40, 1634858), (80, 817429), (281, 232720), (562, 116360), (1124, 58180), (1405, 46544), (2248, 29090), (2810, 23272), (2909, 22480), (4496, 14545), (5620, 11636), (5818, 11240)]