6392720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2003

約数の個数: 40

約数和(自身を含む): 15233400

約数和(自身を除く): 8840680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 1949, 3280, 3898, 7796, 9745, 15592, 19490, 31184, 38980, 77960, 79909, 155920, 159818, 319636, 399545, 639272, 799090, 1278544, 1598180, 3196360, 6392720]

約数ペア:

[(1, 6392720), (2, 3196360), (4, 1598180), (5, 1278544), (8, 799090), (10, 639272), (16, 399545), (20, 319636), (40, 159818), (41, 155920), (80, 79909), (82, 77960), (164, 38980), (205, 31184), (328, 19490), (410, 15592), (656, 9745), (820, 7796), (1640, 3898), (1949, 3280)]