40640960

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1533

約数の個数: 56

約数和(自身を含む): 97932240

約数和(自身を除く): 57291280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1427, 1780, 2848, 2854, 3560, 5696, 5708, 7120, 7135, 11416, 14240, 14270, 22832, 28480, 28540, 45664, 57080, 91328, 114160, 127003, 228320, 254006, 456640, 508012, 635015, 1016024, 1270030, 2032048, 2540060, 4064096, 5080120, 8128192, 10160240, 20320480, 40640960]

約数ペア:

[(1, 40640960), (2, 20320480), (4, 10160240), (5, 8128192), (8, 5080120), (10, 4064096), (16, 2540060), (20, 2032048), (32, 1270030), (40, 1016024), (64, 635015), (80, 508012), (89, 456640), (160, 254006), (178, 228320), (320, 127003), (356, 114160), (445, 91328), (712, 57080), (890, 45664), (1424, 28540), (1427, 28480), (1780, 22832), (2848, 14270), (2854, 14240), (3560, 11416), (5696, 7135), (5708, 7120)]