40870915

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 50371776

約数和(自身を除く): 9500861

約数列:

[1, 5, 61, 103, 305, 515, 1301, 6283, 6505, 31415, 79361, 134003, 396805, 670015, 8174183, 40870915]

約数ペア:

[(1, 40870915), (5, 8174183), (61, 670015), (103, 396805), (305, 134003), (515, 79361), (1301, 31415), (6283, 6505)]