86424280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69697}}^1$

素因数の和:69739

約数の個数: 32

約数和(自身を含む): 200730240

約数和(自身を除く): 114305960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 69697, 139394, 278788, 348485, 557576, 696970, 1393940, 2160607, 2787880, 4321214, 8642428, 10803035, 17284856, 21606070, 43212140, 86424280]

約数ペア:

[(1, 86424280), (2, 43212140), (4, 21606070), (5, 17284856), (8, 10803035), (10, 8642428), (20, 4321214), (31, 2787880), (40, 2160607), (62, 1393940), (124, 696970), (155, 557576), (248, 348485), (310, 278788), (620, 139394), (1240, 69697)]