40204520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32423}}^1$

素因数の和:32465

約数の個数: 32

約数和(自身を含む): 93381120

約数和(自身を除く): 53176600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 32423, 64846, 129692, 162115, 259384, 324230, 648460, 1005113, 1296920, 2010226, 4020452, 5025565, 8040904, 10051130, 20102260, 40204520]

約数ペア:

[(1, 40204520), (2, 20102260), (4, 10051130), (5, 8040904), (8, 5025565), (10, 4020452), (20, 2010226), (31, 1296920), (40, 1005113), (62, 648460), (124, 324230), (155, 259384), (248, 162115), (310, 129692), (620, 64846), (1240, 32423)]