57472640

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1117

約数の個数: 64

約数和(自身を含む): 139077000

約数和(自身を除く): 81604360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1009, 1424, 1780, 2018, 2848, 3560, 4036, 5045, 5696, 7120, 8072, 10090, 11392, 14240, 16144, 20180, 28480, 32288, 40360, 56960, 64576, 80720, 89801, 129152, 161440, 179602, 322880, 359204, 449005, 645760, 718408, 898010, 1436816, 1796020, 2873632, 3592040, 5747264, 7184080, 11494528, 14368160, 28736320, 57472640]

約数ペア:

[(1, 57472640), (2, 28736320), (4, 14368160), (5, 11494528), (8, 7184080), (10, 5747264), (16, 3592040), (20, 2873632), (32, 1796020), (40, 1436816), (64, 898010), (80, 718408), (89, 645760), (128, 449005), (160, 359204), (178, 322880), (320, 179602), (356, 161440), (445, 129152), (640, 89801), (712, 80720), (890, 64576), (1009, 56960), (1424, 40360), (1780, 32288), (2018, 28480), (2848, 20180), (3560, 16144), (4036, 14240), (5045, 11392), (5696, 10090), (7120, 8072)]