28864480

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2131

約数の個数: 48

約数和(自身を含む): 68992560

約数和(自身を除く): 40128080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2027, 2848, 3560, 4054, 7120, 8108, 10135, 14240, 16216, 20270, 32432, 40540, 64864, 81080, 162160, 180403, 324320, 360806, 721612, 902015, 1443224, 1804030, 2886448, 3608060, 5772896, 7216120, 14432240, 28864480]

約数ペア:

[(1, 28864480), (2, 14432240), (4, 7216120), (5, 5772896), (8, 3608060), (10, 2886448), (16, 1804030), (20, 1443224), (32, 902015), (40, 721612), (80, 360806), (89, 324320), (160, 180403), (178, 162160), (356, 81080), (445, 64864), (712, 40540), (890, 32432), (1424, 20270), (1780, 16216), (2027, 14240), (2848, 10135), (3560, 8108), (4054, 7120)]