88880360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 208472400

約数和(自身を除く): 119592040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 193, 232, 290, 386, 397, 580, 772, 794, 965, 1160, 1544, 1588, 1930, 1985, 3176, 3860, 3970, 5597, 7720, 7940, 11194, 11513, 15880, 22388, 23026, 27985, 44776, 46052, 55970, 57565, 76621, 92104, 111940, 115130, 153242, 223880, 230260, 306484, 383105, 460520, 612968, 766210, 1532420, 2222009, 3064840, 4444018, 8888036, 11110045, 17776072, 22220090, 44440180, 88880360]

約数ペア:

[(1, 88880360), (2, 44440180), (4, 22220090), (5, 17776072), (8, 11110045), (10, 8888036), (20, 4444018), (29, 3064840), (40, 2222009), (58, 1532420), (116, 766210), (145, 612968), (193, 460520), (232, 383105), (290, 306484), (386, 230260), (397, 223880), (580, 153242), (772, 115130), (794, 111940), (965, 92104), (1160, 76621), (1544, 57565), (1588, 55970), (1930, 46052), (1985, 44776), (3176, 27985), (3860, 23026), (3970, 22388), (5597, 15880), (7720, 11513), (7940, 11194)]