1189040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1623280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 167, 178, 334, 356, 445, 668, 712, 835, 890, 1336, 1424, 1670, 1780, 2672, 3340, 3560, 6680, 7120, 13360, 14863, 29726, 59452, 74315, 118904, 148630, 237808, 297260, 594520, 1189040]

約数ペア:

[(1, 1189040), (2, 594520), (4, 297260), (5, 237808), (8, 148630), (10, 118904), (16, 74315), (20, 59452), (40, 29726), (80, 14863), (89, 13360), (167, 7120), (178, 6680), (334, 3560), (356, 3340), (445, 2672), (668, 1780), (712, 1670), (835, 1424), (890, 1336)]