38436280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 90316800

約数和(自身を除く): 51880520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 223, 248, 278, 310, 446, 556, 620, 695, 892, 1112, 1115, 1240, 1390, 1784, 2230, 2780, 4309, 4460, 5560, 6913, 8618, 8920, 13826, 17236, 21545, 27652, 30997, 34472, 34565, 43090, 55304, 61994, 69130, 86180, 123988, 138260, 154985, 172360, 247976, 276520, 309970, 619940, 960907, 1239880, 1921814, 3843628, 4804535, 7687256, 9609070, 19218140, 38436280]

約数ペア:

[(1, 38436280), (2, 19218140), (4, 9609070), (5, 7687256), (8, 4804535), (10, 3843628), (20, 1921814), (31, 1239880), (40, 960907), (62, 619940), (124, 309970), (139, 276520), (155, 247976), (223, 172360), (248, 154985), (278, 138260), (310, 123988), (446, 86180), (556, 69130), (620, 61994), (695, 55304), (892, 43090), (1112, 34565), (1115, 34472), (1240, 30997), (1390, 27652), (1784, 21545), (2230, 17236), (2780, 13826), (4309, 8920), (4460, 8618), (5560, 6913)]