84408040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68071}}^1$

素因数の和:68113

約数の個数: 32

約数和(自身を含む): 196047360

約数和(自身を除く): 111639320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68071, 136142, 272284, 340355, 544568, 680710, 1361420, 2110201, 2722840, 4220402, 8440804, 10551005, 16881608, 21102010, 42204020, 84408040]

約数ペア:

[(1, 84408040), (2, 42204020), (4, 21102010), (5, 16881608), (8, 10551005), (10, 8440804), (20, 4220402), (31, 2722840), (40, 2110201), (62, 1361420), (124, 680710), (155, 544568), (248, 340355), (310, 272284), (620, 136142), (1240, 68071)]