64956520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55997}}^1$

素因数の和:56037

約数の個数: 32

約数和(自身を含む): 151194600

約数和(自身を除く): 86238080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55997, 111994, 223988, 279985, 447976, 559970, 1119940, 1623913, 2239880, 3247826, 6495652, 8119565, 12991304, 16239130, 32478260, 64956520]

約数ペア:

[(1, 64956520), (2, 32478260), (4, 16239130), (5, 12991304), (8, 8119565), (10, 6495652), (20, 3247826), (29, 2239880), (40, 1623913), (58, 1119940), (116, 559970), (145, 447976), (232, 279985), (290, 223988), (580, 111994), (1160, 55997)]