42507640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151813}}^1$

素因数の和:151831

約数の個数: 32

約数和(自身を含む): 109306080

約数和(自身を除く): 66798440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 151813, 303626, 607252, 759065, 1062691, 1214504, 1518130, 2125382, 3036260, 4250764, 5313455, 6072520, 8501528, 10626910, 21253820, 42507640]

約数ペア:

[(1, 42507640), (2, 21253820), (4, 10626910), (5, 8501528), (7, 6072520), (8, 5313455), (10, 4250764), (14, 3036260), (20, 2125382), (28, 1518130), (35, 1214504), (40, 1062691), (56, 759065), (70, 607252), (140, 303626), (280, 151813)]