40042346

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 61067520

約数和(自身を除く): 21025174

約数列:

[1, 2, 89, 178, 227, 454, 991, 1982, 20203, 40406, 88199, 176398, 224957, 449914, 20021173, 40042346]

約数ペア:

[(1, 40042346), (2, 20021173), (89, 449914), (178, 224957), (227, 176398), (454, 88199), (991, 40406), (1982, 20203)]