40954240

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 99144000

約数和(自身を除く): 58189760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 719, 890, 1424, 1438, 1780, 2848, 2876, 3560, 3595, 5696, 5752, 7120, 7190, 11392, 11504, 14240, 14380, 23008, 28480, 28760, 46016, 56960, 57520, 63991, 92032, 115040, 127982, 230080, 255964, 319955, 460160, 511928, 639910, 1023856, 1279820, 2047712, 2559640, 4095424, 5119280, 8190848, 10238560, 20477120, 40954240]

約数ペア:

[(1, 40954240), (2, 20477120), (4, 10238560), (5, 8190848), (8, 5119280), (10, 4095424), (16, 2559640), (20, 2047712), (32, 1279820), (40, 1023856), (64, 639910), (80, 511928), (89, 460160), (128, 319955), (160, 255964), (178, 230080), (320, 127982), (356, 115040), (445, 92032), (640, 63991), (712, 57520), (719, 56960), (890, 46016), (1424, 28760), (1438, 28480), (1780, 23008), (2848, 14380), (2876, 14240), (3560, 11504), (3595, 11392), (5696, 7190), (5752, 7120)]