31031720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11579}}^1$

素因数の和:11657

約数の個数: 32

約数和(自身を含む): 70869600

約数和(自身を除く): 39837880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 11579, 23158, 46316, 57895, 92632, 115790, 231580, 463160, 775793, 1551586, 3103172, 3878965, 6206344, 7757930, 15515860, 31031720]

約数ペア:

[(1, 31031720), (2, 15515860), (4, 7757930), (5, 6206344), (8, 3878965), (10, 3103172), (20, 1551586), (40, 775793), (67, 463160), (134, 231580), (268, 115790), (335, 92632), (536, 57895), (670, 46316), (1340, 23158), (2680, 11579)]