15764120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12713}}^1$

素因数の和:12755

約数の個数: 32

約数和(自身を含む): 36616320

約数和(自身を除く): 20852200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12713, 25426, 50852, 63565, 101704, 127130, 254260, 394103, 508520, 788206, 1576412, 1970515, 3152824, 3941030, 7882060, 15764120]

約数ペア:

[(1, 15764120), (2, 7882060), (4, 3941030), (5, 3152824), (8, 1970515), (10, 1576412), (20, 788206), (31, 508520), (40, 394103), (62, 254260), (124, 127130), (155, 101704), (248, 63565), (310, 50852), (620, 25426), (1240, 12713)]