21546482080

素因数分解:

$2^5\times 5^1\times {\mathrm{134665513}}^1$

素因数の和:134665528

約数の個数: 24

約数和(自身を含む): 50903564292

約数和(自身を除く): 29357082212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134665513, 269331026, 538662052, 673327565, 1077324104, 1346655130, 2154648208, 2693310260, 4309296416, 5386620520, 10773241040, 21546482080]

約数ペア:

[(1, 21546482080), (2, 10773241040), (4, 5386620520), (5, 4309296416), (8, 2693310260), (10, 2154648208), (16, 1346655130), (20, 1077324104), (32, 673327565), (40, 538662052), (80, 269331026), (160, 134665513)]