49387880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13873}}^1$

素因数の和:13973

約数の個数: 32

約数和(自身を含む): 112379400

約数和(自身を除く): 62991520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 13873, 27746, 55492, 69365, 110984, 138730, 277460, 554920, 1234697, 2469394, 4938788, 6173485, 9877576, 12346970, 24693940, 49387880]

約数ペア:

[(1, 49387880), (2, 24693940), (4, 12346970), (5, 9877576), (8, 6173485), (10, 4938788), (20, 2469394), (40, 1234697), (89, 554920), (178, 277460), (356, 138730), (445, 110984), (712, 69365), (890, 55492), (1780, 27746), (3560, 13873)]