31660240

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1061}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 73876968

約数和(自身を除く): 42216728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1061, 1492, 1865, 2122, 2984, 3730, 4244, 5305, 5968, 7460, 8488, 10610, 14920, 16976, 21220, 29840, 42440, 84880, 395753, 791506, 1583012, 1978765, 3166024, 3957530, 6332048, 7915060, 15830120, 31660240]

約数ペア:

[(1, 31660240), (2, 15830120), (4, 7915060), (5, 6332048), (8, 3957530), (10, 3166024), (16, 1978765), (20, 1583012), (40, 791506), (80, 395753), (373, 84880), (746, 42440), (1061, 29840), (1492, 21220), (1865, 16976), (2122, 14920), (2984, 10610), (3730, 8488), (4244, 7460), (5305, 5968)]