129913040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55997}}^1$

素因数の和:56039

約数の個数: 40

約数和(自身を含む): 312468840

約数和(自身を除く): 182555800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55997, 111994, 223988, 279985, 447976, 559970, 895952, 1119940, 1623913, 2239880, 3247826, 4479760, 6495652, 8119565, 12991304, 16239130, 25982608, 32478260, 64956520, 129913040]

約数ペア:

[(1, 129913040), (2, 64956520), (4, 32478260), (5, 25982608), (8, 16239130), (10, 12991304), (16, 8119565), (20, 6495652), (29, 4479760), (40, 3247826), (58, 2239880), (80, 1623913), (116, 1119940), (145, 895952), (232, 559970), (290, 447976), (464, 279985), (580, 223988), (1160, 111994), (2320, 55997)]