42807640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15973}}^1$

素因数の和:16051

約数の個数: 32

約数和(自身を含む): 97760880

約数和(自身を除く): 54953240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 15973, 31946, 63892, 79865, 127784, 159730, 319460, 638920, 1070191, 2140382, 4280764, 5350955, 8561528, 10701910, 21403820, 42807640]

約数ペア:

[(1, 42807640), (2, 21403820), (4, 10701910), (5, 8561528), (8, 5350955), (10, 4280764), (20, 2140382), (40, 1070191), (67, 638920), (134, 319460), (268, 159730), (335, 127784), (536, 79865), (670, 63892), (1340, 31946), (2680, 15973)]