8045485180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{27091}}^1$

素因数の和:27610

約数の個数: 48

約数和(自身を含む): 17477591040

約数和(自身を除く): 9432105860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 479, 620, 958, 1916, 2395, 4790, 9580, 14849, 27091, 29698, 54182, 59396, 74245, 108364, 135455, 148490, 270910, 296980, 541820, 839821, 1679642, 3359284, 4199105, 8398210, 12976589, 16796420, 25953178, 51906356, 64882945, 129765890, 259531780, 402274259, 804548518, 1609097036, 2011371295, 4022742590, 8045485180]

約数ペア:

[(1, 8045485180), (2, 4022742590), (4, 2011371295), (5, 1609097036), (10, 804548518), (20, 402274259), (31, 259531780), (62, 129765890), (124, 64882945), (155, 51906356), (310, 25953178), (479, 16796420), (620, 12976589), (958, 8398210), (1916, 4199105), (2395, 3359284), (4790, 1679642), (9580, 839821), (14849, 541820), (27091, 296980), (29698, 270910), (54182, 148490), (59396, 135455), (74245, 108364)]