51967280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 128563200

約数和(自身を除く): 76595920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 179, 190, 191, 304, 358, 380, 382, 716, 760, 764, 895, 955, 1432, 1520, 1528, 1790, 1910, 2864, 3056, 3401, 3580, 3629, 3820, 6802, 7160, 7258, 7640, 13604, 14320, 14516, 15280, 17005, 18145, 27208, 29032, 34010, 34189, 36290, 54416, 58064, 68020, 68378, 72580, 136040, 136756, 145160, 170945, 272080, 273512, 290320, 341890, 547024, 649591, 683780, 1299182, 1367560, 2598364, 2735120, 3247955, 5196728, 6495910, 10393456, 12991820, 25983640, 51967280]

約数ペア:

[(1, 51967280), (2, 25983640), (4, 12991820), (5, 10393456), (8, 6495910), (10, 5196728), (16, 3247955), (19, 2735120), (20, 2598364), (38, 1367560), (40, 1299182), (76, 683780), (80, 649591), (95, 547024), (152, 341890), (179, 290320), (190, 273512), (191, 272080), (304, 170945), (358, 145160), (380, 136756), (382, 136040), (716, 72580), (760, 68378), (764, 68020), (895, 58064), (955, 54416), (1432, 36290), (1520, 34189), (1528, 34010), (1790, 29032), (1910, 27208), (2864, 18145), (3056, 17005), (3401, 15280), (3580, 14516), (3629, 14320), (3820, 13604), (6802, 7640), (7160, 7258)]