135280280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109097}}^1$

素因数の和:109139

約数の個数: 32

約数和(自身を含む): 314202240

約数和(自身を除く): 178921960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 109097, 218194, 436388, 545485, 872776, 1090970, 2181940, 3382007, 4363880, 6764014, 13528028, 16910035, 27056056, 33820070, 67640140, 135280280]

約数ペア:

[(1, 135280280), (2, 67640140), (4, 33820070), (5, 27056056), (8, 16910035), (10, 13528028), (20, 6764014), (31, 4363880), (40, 3382007), (62, 2181940), (124, 1090970), (155, 872776), (248, 545485), (310, 436388), (620, 218194), (1240, 109097)]