2558750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 40

約数和(自身を含む): 5060880

約数和(自身を除く): 2502130

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 89, 115, 125, 178, 230, 250, 445, 575, 625, 890, 1150, 1250, 2047, 2225, 2875, 4094, 4450, 5750, 10235, 11125, 14375, 20470, 22250, 28750, 51175, 55625, 102350, 111250, 255875, 511750, 1279375, 2558750]

約数ペア:

[(1, 2558750), (2, 1279375), (5, 511750), (10, 255875), (23, 111250), (25, 102350), (46, 55625), (50, 51175), (89, 28750), (115, 22250), (125, 20470), (178, 14375), (230, 11125), (250, 10235), (445, 5750), (575, 4450), (625, 4094), (890, 2875), (1150, 2225), (1250, 2047)]