128555450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{82939}}^1$

素因数の和:82982

約数の個数: 24

約数和(自身を含む): 246829440

約数和(自身を除く): 118273990

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 82939, 165878, 414695, 829390, 2073475, 2571109, 4146950, 5142218, 12855545, 25711090, 64277725, 128555450]

約数ペア:

[(1, 128555450), (2, 64277725), (5, 25711090), (10, 12855545), (25, 5142218), (31, 4146950), (50, 2571109), (62, 2073475), (155, 829390), (310, 414695), (775, 165878), (1550, 82939)]