12578000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:373

約数の個数: 80

約数和(自身を含む): 32111040

約数和(自身を除く): 19533040

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, 331, 380, 400, 475, 500, 662, 760, 950, 1000, 1324, 1520, 1655, 1900, 2000, 2375, 2648, 3310, 3800, 4750, 5296, 6289, 6620, 7600, 8275, 9500, 12578, 13240, 16550, 19000, 25156, 26480, 31445, 33100, 38000, 41375, 50312, 62890, 66200, 82750, 100624, 125780, 132400, 157225, 165500, 251560, 314450, 331000, 503120, 628900, 662000, 786125, 1257800, 1572250, 2515600, 3144500, 6289000, 12578000]

約数ペア:

[(1, 12578000), (2, 6289000), (4, 3144500), (5, 2515600), (8, 1572250), (10, 1257800), (16, 786125), (19, 662000), (20, 628900), (25, 503120), (38, 331000), (40, 314450), (50, 251560), (76, 165500), (80, 157225), (95, 132400), (100, 125780), (125, 100624), (152, 82750), (190, 66200), (200, 62890), (250, 50312), (304, 41375), (331, 38000), (380, 33100), (400, 31445), (475, 26480), (500, 25156), (662, 19000), (760, 16550), (950, 13240), (1000, 12578), (1324, 9500), (1520, 8275), (1655, 7600), (1900, 6620), (2000, 6289), (2375, 5296), (2648, 4750), (3310, 3800)]