40319728

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61463}}^1$

素因数の和:61512

約数の個数: 20

約数和(自身を含む): 80026128

約数和(自身を除く): 39706400

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61463, 122926, 245852, 491704, 983408, 2519983, 5039966, 10079932, 20159864, 40319728]

約数ペア:

[(1, 40319728), (2, 20159864), (4, 10079932), (8, 5039966), (16, 2519983), (41, 983408), (82, 491704), (164, 245852), (328, 122926), (656, 61463)]