89539900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{21839}}^1$

素因数の和:21894

約数の個数: 36

約数和(自身を含む): 199049760

約数和(自身を除く): 109509860

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 21839, 43678, 87356, 109195, 218390, 436780, 545975, 895399, 1091950, 1790798, 2183900, 3581596, 4476995, 8953990, 17907980, 22384975, 44769950, 89539900]

約数ペア:

[(1, 89539900), (2, 44769950), (4, 22384975), (5, 17907980), (10, 8953990), (20, 4476995), (25, 3581596), (41, 2183900), (50, 1790798), (82, 1091950), (100, 895399), (164, 545975), (205, 436780), (410, 218390), (820, 109195), (1025, 87356), (2050, 43678), (4100, 21839)]