39490180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32369}}^1$

素因数の和:32439

約数の個数: 24

約数和(自身を含む): 84291480

約数和(自身を除く): 44801300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 32369, 64738, 129476, 161845, 323690, 647380, 1974509, 3949018, 7898036, 9872545, 19745090, 39490180]

約数ペア:

[(1, 39490180), (2, 19745090), (4, 9872545), (5, 7898036), (10, 3949018), (20, 1974509), (61, 647380), (122, 323690), (244, 161845), (305, 129476), (610, 64738), (1220, 32369)]