8026400

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 19998720

約数和(自身を除く): 11972320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 127, 158, 160, 200, 254, 316, 395, 400, 508, 632, 635, 790, 800, 1016, 1264, 1270, 1580, 1975, 2032, 2528, 2540, 3160, 3175, 3950, 4064, 5080, 6320, 6350, 7900, 10033, 10160, 12640, 12700, 15800, 20066, 20320, 25400, 31600, 40132, 50165, 50800, 63200, 80264, 100330, 101600, 160528, 200660, 250825, 321056, 401320, 501650, 802640, 1003300, 1605280, 2006600, 4013200, 8026400]

約数ペア:

[(1, 8026400), (2, 4013200), (4, 2006600), (5, 1605280), (8, 1003300), (10, 802640), (16, 501650), (20, 401320), (25, 321056), (32, 250825), (40, 200660), (50, 160528), (79, 101600), (80, 100330), (100, 80264), (127, 63200), (158, 50800), (160, 50165), (200, 40132), (254, 31600), (316, 25400), (395, 20320), (400, 20066), (508, 15800), (632, 12700), (635, 12640), (790, 10160), (800, 10033), (1016, 7900), (1264, 6350), (1270, 6320), (1580, 5080), (1975, 4064), (2032, 3950), (2528, 3175), (2540, 3160)]