39291320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16103}}^1$

素因数の和:16175

約数の個数: 32

約数和(自身を含む): 89860320

約数和(自身を除く): 50569000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16103, 32206, 64412, 80515, 128824, 161030, 322060, 644120, 982283, 1964566, 3929132, 4911415, 7858264, 9822830, 19645660, 39291320]

約数ペア:

[(1, 39291320), (2, 19645660), (4, 9822830), (5, 7858264), (8, 4911415), (10, 3929132), (20, 1964566), (40, 982283), (61, 644120), (122, 322060), (244, 161030), (305, 128824), (488, 80515), (610, 64412), (1220, 32206), (2440, 16103)]