51587720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41603}}^1$

素因数の和:41645

約数の個数: 32

約数和(自身を含む): 119819520

約数和(自身を除く): 68231800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41603, 83206, 166412, 208015, 332824, 416030, 832060, 1289693, 1664120, 2579386, 5158772, 6448465, 10317544, 12896930, 25793860, 51587720]

約数ペア:

[(1, 51587720), (2, 25793860), (4, 12896930), (5, 10317544), (8, 6448465), (10, 5158772), (20, 2579386), (31, 1664120), (40, 1289693), (62, 832060), (124, 416030), (155, 332824), (248, 208015), (310, 166412), (620, 83206), (1240, 41603)]