64486000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1739

約数の個数: 80

約数和(自身を含む): 164230560

約数和(自身を除く): 99744560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 760, 950, 1000, 1520, 1697, 1900, 2000, 2375, 3394, 3800, 4750, 6788, 7600, 8485, 9500, 13576, 16970, 19000, 27152, 32243, 33940, 38000, 42425, 64486, 67880, 84850, 128972, 135760, 161215, 169700, 212125, 257944, 322430, 339400, 424250, 515888, 644860, 678800, 806075, 848500, 1289720, 1612150, 1697000, 2579440, 3224300, 3394000, 4030375, 6448600, 8060750, 12897200, 16121500, 32243000, 64486000]

約数ペア:

[(1, 64486000), (2, 32243000), (4, 16121500), (5, 12897200), (8, 8060750), (10, 6448600), (16, 4030375), (19, 3394000), (20, 3224300), (25, 2579440), (38, 1697000), (40, 1612150), (50, 1289720), (76, 848500), (80, 806075), (95, 678800), (100, 644860), (125, 515888), (152, 424250), (190, 339400), (200, 322430), (250, 257944), (304, 212125), (380, 169700), (400, 161215), (475, 135760), (500, 128972), (760, 84850), (950, 67880), (1000, 64486), (1520, 42425), (1697, 38000), (1900, 33940), (2000, 32243), (2375, 27152), (3394, 19000), (3800, 16970), (4750, 13576), (6788, 9500), (7600, 8485)]