20211630160

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{466997}}^1$

素因数の和:467551

約数の個数: 40

約数和(自身を含む): 47079002376

約数和(自身を除く): 26867372216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 5410, 8656, 10820, 21640, 43280, 466997, 933994, 1867988, 2334985, 3735976, 4669970, 7471952, 9339940, 18679880, 37359760, 252645377, 505290754, 1010581508, 1263226885, 2021163016, 2526453770, 4042326032, 5052907540, 10105815080, 20211630160]

約数ペア:

[(1, 20211630160), (2, 10105815080), (4, 5052907540), (5, 4042326032), (8, 2526453770), (10, 2021163016), (16, 1263226885), (20, 1010581508), (40, 505290754), (80, 252645377), (541, 37359760), (1082, 18679880), (2164, 9339940), (2705, 7471952), (4328, 4669970), (5410, 3735976), (8656, 2334985), (10820, 1867988), (21640, 933994), (43280, 466997)]