30874640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9413}}^1$

素因数の和:9467

約数の個数: 40

約数和(自身を含む): 73542168

約数和(自身を除く): 42667528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9413, 18826, 37652, 47065, 75304, 94130, 150608, 188260, 376520, 385933, 753040, 771866, 1543732, 1929665, 3087464, 3859330, 6174928, 7718660, 15437320, 30874640]

約数ペア:

[(1, 30874640), (2, 15437320), (4, 7718660), (5, 6174928), (8, 3859330), (10, 3087464), (16, 1929665), (20, 1543732), (40, 771866), (41, 753040), (80, 385933), (82, 376520), (164, 188260), (205, 150608), (328, 94130), (410, 75304), (656, 47065), (820, 37652), (1640, 18826), (3280, 9413)]