69436280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55997}}^1$

素因数の和:56039

約数の個数: 32

約数和(自身を含む): 161274240

約数和(自身を除く): 91837960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55997, 111994, 223988, 279985, 447976, 559970, 1119940, 1735907, 2239880, 3471814, 6943628, 8679535, 13887256, 17359070, 34718140, 69436280]

約数ペア:

[(1, 69436280), (2, 34718140), (4, 17359070), (5, 13887256), (8, 8679535), (10, 6943628), (20, 3471814), (31, 2239880), (40, 1735907), (62, 1119940), (124, 559970), (155, 447976), (248, 279985), (310, 223988), (620, 111994), (1240, 55997)]