56407910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13997}}^1$

素因数の和:14048

約数の個数: 32

約数和(自身を含む): 112879872

約数和(自身を除く): 56471962

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 13997, 27994, 69985, 139970, 181961, 363922, 433907, 867814, 909805, 1819610, 2169535, 4339070, 5640791, 11281582, 28203955, 56407910]

約数ペア:

[(1, 56407910), (2, 28203955), (5, 11281582), (10, 5640791), (13, 4339070), (26, 2169535), (31, 1819610), (62, 909805), (65, 867814), (130, 433907), (155, 363922), (310, 181961), (403, 139970), (806, 69985), (2015, 27994), (4030, 13997)]