40427720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32603}}^1$

素因数の和:32645

約数の個数: 32

約数和(自身を含む): 93899520

約数和(自身を除く): 53471800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 32603, 65206, 130412, 163015, 260824, 326030, 652060, 1010693, 1304120, 2021386, 4042772, 5053465, 8085544, 10106930, 20213860, 40427720]

約数ペア:

[(1, 40427720), (2, 20213860), (4, 10106930), (5, 8085544), (8, 5053465), (10, 4042772), (20, 2021386), (31, 1304120), (40, 1010693), (62, 652060), (124, 326030), (155, 260824), (248, 163015), (310, 130412), (620, 65206), (1240, 32603)]