30685520

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{709}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 71576520

約数和(自身を除く): 40891000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 709, 1082, 1418, 2164, 2705, 2836, 3545, 4328, 5410, 5672, 7090, 8656, 10820, 11344, 14180, 21640, 28360, 43280, 56720, 383569, 767138, 1534276, 1917845, 3068552, 3835690, 6137104, 7671380, 15342760, 30685520]

約数ペア:

[(1, 30685520), (2, 15342760), (4, 7671380), (5, 6137104), (8, 3835690), (10, 3068552), (16, 1917845), (20, 1534276), (40, 767138), (80, 383569), (541, 56720), (709, 43280), (1082, 28360), (1418, 21640), (2164, 14180), (2705, 11344), (2836, 10820), (3545, 8656), (4328, 7090), (5410, 5672)]