39397720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24023}}^1$

素因数の和:24075

約数の個数: 32

約数和(自身を含む): 90810720

約数和(自身を除く): 51413000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24023, 48046, 96092, 120115, 192184, 240230, 480460, 960920, 984943, 1969886, 3939772, 4924715, 7879544, 9849430, 19698860, 39397720]

約数ペア:

[(1, 39397720), (2, 19698860), (4, 9849430), (5, 7879544), (8, 4924715), (10, 3939772), (20, 1969886), (40, 984943), (41, 960920), (82, 480460), (164, 240230), (205, 192184), (328, 120115), (410, 96092), (820, 48046), (1640, 24023)]