2005080488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1319}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 4043952000

約数和(自身を除く): 2038871512

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 137, 146, 152, 274, 292, 548, 584, 1096, 1319, 1387, 2603, 2638, 2774, 5206, 5276, 5548, 10001, 10412, 10552, 11096, 20002, 20824, 25061, 40004, 50122, 80008, 96287, 100244, 180703, 190019, 192574, 200488, 361406, 380038, 385148, 722812, 760076, 770296, 1445624, 1520152, 1829453, 3433357, 3658906, 6866714, 7317812, 13191319, 13733428, 14635624, 26382638, 27466856, 52765276, 105530552, 250635061, 501270122, 1002540244, 2005080488]

約数ペア:

[(1, 2005080488), (2, 1002540244), (4, 501270122), (8, 250635061), (19, 105530552), (38, 52765276), (73, 27466856), (76, 26382638), (137, 14635624), (146, 13733428), (152, 13191319), (274, 7317812), (292, 6866714), (548, 3658906), (584, 3433357), (1096, 1829453), (1319, 1520152), (1387, 1445624), (2603, 770296), (2638, 760076), (2774, 722812), (5206, 385148), (5276, 380038), (5548, 361406), (10001, 200488), (10412, 192574), (10552, 190019), (11096, 180703), (20002, 100244), (20824, 96287), (25061, 80008), (40004, 50122)]