164803280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89567}}^1$

素因数の和:89603

約数の個数: 40

約数和(自身を含む): 399831552

約数和(自身を除く): 235028272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 89567, 179134, 358268, 447835, 716536, 895670, 1433072, 1791340, 2060041, 3582680, 4120082, 7165360, 8240164, 10300205, 16480328, 20600410, 32960656, 41200820, 82401640, 164803280]

約数ペア:

[(1, 164803280), (2, 82401640), (4, 41200820), (5, 32960656), (8, 20600410), (10, 16480328), (16, 10300205), (20, 8240164), (23, 7165360), (40, 4120082), (46, 3582680), (80, 2060041), (92, 1791340), (115, 1433072), (184, 895670), (230, 716536), (368, 447835), (460, 358268), (920, 179134), (1840, 89567)]