87097940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{106217}}^1$

素因数の和:106267

約数の個数: 24

約数和(自身を含む): 187368552

約数和(自身を除く): 100270612

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 106217, 212434, 424868, 531085, 1062170, 2124340, 4354897, 8709794, 17419588, 21774485, 43548970, 87097940]

約数ペア:

[(1, 87097940), (2, 43548970), (4, 21774485), (5, 17419588), (10, 8709794), (20, 4354897), (41, 2124340), (82, 1062170), (164, 531085), (205, 424868), (410, 212434), (820, 106217)]