4721560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2879}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 10886400

約数和(自身を除く): 6164840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2879, 5758, 11516, 14395, 23032, 28790, 57580, 115160, 118039, 236078, 472156, 590195, 944312, 1180390, 2360780, 4721560]

約数ペア:

[(1, 4721560), (2, 2360780), (4, 1180390), (5, 944312), (8, 590195), (10, 472156), (20, 236078), (40, 118039), (41, 115160), (82, 57580), (164, 28790), (205, 23032), (328, 14395), (410, 11516), (820, 5758), (1640, 2879)]