201210400

素因数分解:

$2^5\times 5^2\times {\mathrm{251513}}^1$

素因数の和:251533

約数の個数: 36

約数和(自身を含む): 491206842

約数和(自身を除く): 289996442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 251513, 503026, 1006052, 1257565, 2012104, 2515130, 4024208, 5030260, 6287825, 8048416, 10060520, 12575650, 20121040, 25151300, 40242080, 50302600, 100605200, 201210400]

約数ペア:

[(1, 201210400), (2, 100605200), (4, 50302600), (5, 40242080), (8, 25151300), (10, 20121040), (16, 12575650), (20, 10060520), (25, 8048416), (32, 6287825), (40, 5030260), (50, 4024208), (80, 2515130), (100, 2012104), (160, 1257565), (200, 1006052), (400, 503026), (800, 251513)]