31087120

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{743}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 72513216

約数和(自身を除く): 41426096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 743, 1046, 1486, 2092, 2615, 2972, 3715, 4184, 5230, 5944, 7430, 8368, 10460, 11888, 14860, 20920, 29720, 41840, 59440, 388589, 777178, 1554356, 1942945, 3108712, 3885890, 6217424, 7771780, 15543560, 31087120]

約数ペア:

[(1, 31087120), (2, 15543560), (4, 7771780), (5, 6217424), (8, 3885890), (10, 3108712), (16, 1942945), (20, 1554356), (40, 777178), (80, 388589), (523, 59440), (743, 41840), (1046, 29720), (1486, 20920), (2092, 14860), (2615, 11888), (2972, 10460), (3715, 8368), (4184, 7430), (5230, 5944)]