12752800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:878

約数の個数: 72

約数和(自身を含む): 32810400

約数和(自身を除く): 20057600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 839, 950, 1520, 1678, 1900, 3040, 3356, 3800, 4195, 6712, 7600, 8390, 13424, 15200, 15941, 16780, 20975, 26848, 31882, 33560, 41950, 63764, 67120, 79705, 83900, 127528, 134240, 159410, 167800, 255056, 318820, 335600, 398525, 510112, 637640, 671200, 797050, 1275280, 1594100, 2550560, 3188200, 6376400, 12752800]

約数ペア:

[(1, 12752800), (2, 6376400), (4, 3188200), (5, 2550560), (8, 1594100), (10, 1275280), (16, 797050), (19, 671200), (20, 637640), (25, 510112), (32, 398525), (38, 335600), (40, 318820), (50, 255056), (76, 167800), (80, 159410), (95, 134240), (100, 127528), (152, 83900), (160, 79705), (190, 67120), (200, 63764), (304, 41950), (380, 33560), (400, 31882), (475, 26848), (608, 20975), (760, 16780), (800, 15941), (839, 15200), (950, 13424), (1520, 8390), (1678, 7600), (1900, 6712), (3040, 4195), (3356, 3800)]