68890400

素因数分解:

$2^5\times 5^2\times {\mathrm{86113}}^1$

素因数の和:86133

約数の個数: 36

約数和(自身を含む): 168180642

約数和(自身を除く): 99290242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 86113, 172226, 344452, 430565, 688904, 861130, 1377808, 1722260, 2152825, 2755616, 3444520, 4305650, 6889040, 8611300, 13778080, 17222600, 34445200, 68890400]

約数ペア:

[(1, 68890400), (2, 34445200), (4, 17222600), (5, 13778080), (8, 8611300), (10, 6889040), (16, 4305650), (20, 3444520), (25, 2755616), (32, 2152825), (40, 1722260), (50, 1377808), (80, 861130), (100, 688904), (160, 430565), (200, 344452), (400, 172226), (800, 86113)]