15392120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12413}}^1$

素因数の和:12455

約数の個数: 32

約数和(自身を含む): 35752320

約数和(自身を除く): 20360200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12413, 24826, 49652, 62065, 99304, 124130, 248260, 384803, 496520, 769606, 1539212, 1924015, 3078424, 3848030, 7696060, 15392120]

約数ペア:

[(1, 15392120), (2, 7696060), (4, 3848030), (5, 3078424), (8, 1924015), (10, 1539212), (20, 769606), (31, 496520), (40, 384803), (62, 248260), (124, 124130), (155, 99304), (248, 62065), (310, 49652), (620, 24826), (1240, 12413)]