6519280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4321

約数の個数: 40

約数和(自身を含む): 15958800

約数和(自身を除く): 9439520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4289, 8578, 17156, 21445, 34312, 42890, 68624, 81491, 85780, 162982, 171560, 325964, 343120, 407455, 651928, 814910, 1303856, 1629820, 3259640, 6519280]

約数ペア:

[(1, 6519280), (2, 3259640), (4, 1629820), (5, 1303856), (8, 814910), (10, 651928), (16, 407455), (19, 343120), (20, 325964), (38, 171560), (40, 162982), (76, 85780), (80, 81491), (95, 68624), (152, 42890), (190, 34312), (304, 21445), (380, 17156), (760, 8578), (1520, 4289)]