80401790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49939}}^1$

素因数の和:49976

約数の個数: 32

約数和(自身を含む): 172592640

約数和(自身を除く): 92190850

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 49939, 99878, 249695, 349573, 499390, 699146, 1148597, 1747865, 2297194, 3495730, 5742985, 8040179, 11485970, 16080358, 40200895, 80401790]

約数ペア:

[(1, 80401790), (2, 40200895), (5, 16080358), (7, 11485970), (10, 8040179), (14, 5742985), (23, 3495730), (35, 2297194), (46, 1747865), (70, 1148597), (115, 699146), (161, 499390), (230, 349573), (322, 249695), (805, 99878), (1610, 49939)]