40220518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21191}}^1$

素因数の和:21279

約数の個数: 16

約数和(自身を含む): 65864736

約数和(自身を除く): 25644218

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 21191, 42382, 275483, 550966, 1546943, 3093886, 20110259, 40220518]

約数ペア:

[(1, 40220518), (2, 20110259), (13, 3093886), (26, 1546943), (73, 550966), (146, 275483), (949, 42382), (1898, 21191)]