29665960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18089}}^1$

素因数の和:18141

約数の個数: 32

約数和(自身を含む): 68380200

約数和(自身を除く): 38714240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18089, 36178, 72356, 90445, 144712, 180890, 361780, 723560, 741649, 1483298, 2966596, 3708245, 5933192, 7416490, 14832980, 29665960]

約数ペア:

[(1, 29665960), (2, 14832980), (4, 7416490), (5, 5933192), (8, 3708245), (10, 2966596), (20, 1483298), (40, 741649), (41, 723560), (82, 361780), (164, 180890), (205, 144712), (328, 90445), (410, 72356), (820, 36178), (1640, 18089)]